August 2024 - Linux-stable-mirror

FAILED: patch "[PATCH] drm/amd/display: Fix incorrect DSC instance for MST" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 81f3d3c9a03705328f5368d19e23796ed077610a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081252-uncured-vessel-e637@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: 81f3d3c9a037 ("drm/amd/display: Fix incorrect DSC instance for MST") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 81f3d3c9a03705328f5368d19e23796ed077610a Mon Sep 17 00:00:00 2001 From: Hersen Wu <hersenxs.wu(a)amd.com> Date: Tue, 13 Feb 2024 14:26:06 -0500 Subject: [PATCH] drm/amd/display: Fix incorrect DSC instance for MST [Why] DSC debugfs, such as dp_dsc_clock_en_read, use aconnector->dc_link to find pipe_ctx for display. Displays connected to MST hub share the same dc_link. DSC instance is from pipe_ctx. This causes incorrect DSC instance for display connected to MST hub. [How] Add aconnector->sink check to find pipe_ctx. CC: stable(a)vger.kernel.org Reviewed-by: Aurabindo Pillai <aurabindo.pillai(a)amd.com> Signed-off-by: Hersen Wu <hersenxs.wu(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index fdbeef9720c9..4d7a5d470b1e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -1495,7 +1495,9 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1596,7 +1598,9 @@ static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1681,7 +1685,9 @@ static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1780,7 +1786,9 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1865,7 +1873,9 @@ static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1964,7 +1974,9 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2045,7 +2057,9 @@ static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2141,7 +2155,9 @@ static ssize_t dp_dsc_bits_per_pixel_write(struct file *f, const char __user *bu for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2220,7 +2236,9 @@ static ssize_t dp_dsc_pic_width_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2276,7 +2294,9 @@ static ssize_t dp_dsc_pic_height_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2347,7 +2367,9 @@ static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2418,7 +2440,9 @@ static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; }

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Fix incorrect DSC instance for MST" failed to apply to 6.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.10.y git checkout FETCH_HEAD git cherry-pick -x 81f3d3c9a03705328f5368d19e23796ed077610a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081251-empty-vehicular-78b7@gregkh' --subject-prefix 'PATCH 6.10.y' HEAD^.. Possible dependencies: 81f3d3c9a037 ("drm/amd/display: Fix incorrect DSC instance for MST") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 81f3d3c9a03705328f5368d19e23796ed077610a Mon Sep 17 00:00:00 2001 From: Hersen Wu <hersenxs.wu(a)amd.com> Date: Tue, 13 Feb 2024 14:26:06 -0500 Subject: [PATCH] drm/amd/display: Fix incorrect DSC instance for MST [Why] DSC debugfs, such as dp_dsc_clock_en_read, use aconnector->dc_link to find pipe_ctx for display. Displays connected to MST hub share the same dc_link. DSC instance is from pipe_ctx. This causes incorrect DSC instance for display connected to MST hub. [How] Add aconnector->sink check to find pipe_ctx. CC: stable(a)vger.kernel.org Reviewed-by: Aurabindo Pillai <aurabindo.pillai(a)amd.com> Signed-off-by: Hersen Wu <hersenxs.wu(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index fdbeef9720c9..4d7a5d470b1e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -1495,7 +1495,9 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1596,7 +1598,9 @@ static ssize_t dp_dsc_clock_en_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1681,7 +1685,9 @@ static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1780,7 +1786,9 @@ static ssize_t dp_dsc_slice_width_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1865,7 +1873,9 @@ static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -1964,7 +1974,9 @@ static ssize_t dp_dsc_slice_height_write(struct file *f, const char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2045,7 +2057,9 @@ static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2141,7 +2155,9 @@ static ssize_t dp_dsc_bits_per_pixel_write(struct file *f, const char __user *bu for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2220,7 +2236,9 @@ static ssize_t dp_dsc_pic_width_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2276,7 +2294,9 @@ static ssize_t dp_dsc_pic_height_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2347,7 +2367,9 @@ static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; } @@ -2418,7 +2440,9 @@ static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, for (i = 0; i < MAX_PIPES; i++) { pipe_ctx = &aconnector->dc_link->dc->current_state->res_ctx.pipe_ctx[i]; if (pipe_ctx->stream && - pipe_ctx->stream->link == aconnector->dc_link) + pipe_ctx->stream->link == aconnector->dc_link && + pipe_ctx->stream->sink && + pipe_ctx->stream->sink == aconnector->dc_sink) break; }

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Fix idle optimization checks for" failed to apply to 4.19-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-4.19.y git checkout FETCH_HEAD git cherry-pick -x 5922deae69beabae98644f3cd902df45da932297 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081236-prancing-septic-06e7@gregkh' --subject-prefix 'PATCH 4.19.y' HEAD^.. Possible dependencies: 5922deae69be ("drm/amd/display: Fix idle optimization checks for multi-display and dual eDP") ac9c748362fd ("drm/amd/display: Allow IPS2 during Replay") 16927047b396 ("drm/amd/display: Disable IPS by default") 198891fd2902 ("drm/amd/display: Create one virtual connector in DC") 0c9ae5cfefb0 ("Revert "drm/amd/display: Create one virtual connector in DC"") 7d3dc50e241d ("Revert "drm/amd/display: Disable virtual links"") 3dcb66171583 ("Revert "drm/amd/display: Initialize writeback connector"") c66705c5a87e ("Revert "drm/amd/display: Create amdgpu_dm_wb_connector"") b22c336268e4 ("drm/amd/display: Disable virtual links") c0af8c744e7e ("drm/amd/display: Make driver backwards-compatible with non-IPS PMFW") a5f9523c9ca3 ("drm/amd/display: Create amdgpu_dm_wb_connector") a2830b9e852f ("drm/amd/display: Initialize writeback connector") 554340133e4f ("drm/amd/display: Create one virtual connector in DC") 1b097bcd224e ("drm/amd/display: Skip entire amdgpu_dm build if !CONFIG_DRM_AMD_DC") 1288d7020809 ("drm/amd/display: Improve x86 and dmub ips handshake") c0f8b83188c7 ("drm/amd/display: disable IPS") 93a66cef607c ("drm/amd/display: Add IPS control flag") dc01c4b79bfe ("drm/amd/display: Update driver and IPS interop") 77ad5f6febdc ("drm/amd/display: Add new logs for AutoDPMTest") 0fa45b6aeae4 ("drm/amd/display: Add DCN35 Resource") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 5922deae69beabae98644f3cd902df45da932297 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Date: Thu, 25 Apr 2024 11:26:59 -0400 Subject: [PATCH] drm/amd/display: Fix idle optimization checks for multi-display and dual eDP [Why] Idle optimizations are blocked if there's more than one eDP connector on the board - blocking S0i3 and IPS2 for static screen. [How] Fix the checks to correctly detect number of active eDP. Also restrict the eDP support to panels that have correct feature support. Cc: Mario Limonciello <mario.limonciello(a)amd.com> Cc: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu(a)amd.com> Acked-by: Tom Chung <chiahsuan.chung(a)amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 1c71a5d4ac5d..bddcd23a2727 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -660,22 +660,43 @@ void dcn35_power_down_on_boot(struct dc *dc) bool dcn35_apply_idle_power_optimizations(struct dc *dc, bool enable) { - struct dc_link *edp_links[MAX_NUM_EDP]; - int i, edp_num; if (dc->debug.dmcub_emulation) return true; if (enable) { - dc_get_edp_links(dc, edp_links, &edp_num); - if (edp_num == 0 || edp_num > 1) - return false; + uint32_t num_active_edp = 0; + int i; for (i = 0; i < dc->current_state->stream_count; ++i) { struct dc_stream_state *stream = dc->current_state->streams[i]; + struct dc_link *link = stream->link; + bool is_psr = link && !link->panel_config.psr.disable_psr && + (link->psr_settings.psr_version == DC_PSR_VERSION_1 || + link->psr_settings.psr_version == DC_PSR_VERSION_SU_1); + bool is_replay = link && link->replay_settings.replay_feature_enabled; - if (!stream->dpms_off && !dc_is_embedded_signal(stream->signal)) + /* Ignore streams that disabled. */ + if (stream->dpms_off) + continue; + + /* Active external displays block idle optimizations. */ + if (!dc_is_embedded_signal(stream->signal)) return false; + + /* If not PWRSEQ0 can't enter idle optimizations */ + if (link && link->link_index != 0) + return false; + + /* Check for panel power features required for idle optimizations. */ + if (!is_psr && !is_replay) + return false; + + num_active_edp += 1; } + + /* If more than one active eDP then disallow. */ + if (num_active_edp > 1) + return false; } // TODO: review other cases when idle optimization is allowed

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Fix idle optimization checks for" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 5922deae69beabae98644f3cd902df45da932297 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081235-precision-pacifist-0880@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: 5922deae69be ("drm/amd/display: Fix idle optimization checks for multi-display and dual eDP") ac9c748362fd ("drm/amd/display: Allow IPS2 during Replay") 16927047b396 ("drm/amd/display: Disable IPS by default") 198891fd2902 ("drm/amd/display: Create one virtual connector in DC") 0c9ae5cfefb0 ("Revert "drm/amd/display: Create one virtual connector in DC"") 7d3dc50e241d ("Revert "drm/amd/display: Disable virtual links"") 3dcb66171583 ("Revert "drm/amd/display: Initialize writeback connector"") c66705c5a87e ("Revert "drm/amd/display: Create amdgpu_dm_wb_connector"") b22c336268e4 ("drm/amd/display: Disable virtual links") c0af8c744e7e ("drm/amd/display: Make driver backwards-compatible with non-IPS PMFW") a5f9523c9ca3 ("drm/amd/display: Create amdgpu_dm_wb_connector") a2830b9e852f ("drm/amd/display: Initialize writeback connector") 554340133e4f ("drm/amd/display: Create one virtual connector in DC") 1b097bcd224e ("drm/amd/display: Skip entire amdgpu_dm build if !CONFIG_DRM_AMD_DC") 1288d7020809 ("drm/amd/display: Improve x86 and dmub ips handshake") c0f8b83188c7 ("drm/amd/display: disable IPS") 93a66cef607c ("drm/amd/display: Add IPS control flag") dc01c4b79bfe ("drm/amd/display: Update driver and IPS interop") 77ad5f6febdc ("drm/amd/display: Add new logs for AutoDPMTest") 0fa45b6aeae4 ("drm/amd/display: Add DCN35 Resource") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 5922deae69beabae98644f3cd902df45da932297 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Date: Thu, 25 Apr 2024 11:26:59 -0400 Subject: [PATCH] drm/amd/display: Fix idle optimization checks for multi-display and dual eDP [Why] Idle optimizations are blocked if there's more than one eDP connector on the board - blocking S0i3 and IPS2 for static screen. [How] Fix the checks to correctly detect number of active eDP. Also restrict the eDP support to panels that have correct feature support. Cc: Mario Limonciello <mario.limonciello(a)amd.com> Cc: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu(a)amd.com> Acked-by: Tom Chung <chiahsuan.chung(a)amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 1c71a5d4ac5d..bddcd23a2727 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -660,22 +660,43 @@ void dcn35_power_down_on_boot(struct dc *dc) bool dcn35_apply_idle_power_optimizations(struct dc *dc, bool enable) { - struct dc_link *edp_links[MAX_NUM_EDP]; - int i, edp_num; if (dc->debug.dmcub_emulation) return true; if (enable) { - dc_get_edp_links(dc, edp_links, &edp_num); - if (edp_num == 0 || edp_num > 1) - return false; + uint32_t num_active_edp = 0; + int i; for (i = 0; i < dc->current_state->stream_count; ++i) { struct dc_stream_state *stream = dc->current_state->streams[i]; + struct dc_link *link = stream->link; + bool is_psr = link && !link->panel_config.psr.disable_psr && + (link->psr_settings.psr_version == DC_PSR_VERSION_1 || + link->psr_settings.psr_version == DC_PSR_VERSION_SU_1); + bool is_replay = link && link->replay_settings.replay_feature_enabled; - if (!stream->dpms_off && !dc_is_embedded_signal(stream->signal)) + /* Ignore streams that disabled. */ + if (stream->dpms_off) + continue; + + /* Active external displays block idle optimizations. */ + if (!dc_is_embedded_signal(stream->signal)) return false; + + /* If not PWRSEQ0 can't enter idle optimizations */ + if (link && link->link_index != 0) + return false; + + /* Check for panel power features required for idle optimizations. */ + if (!is_psr && !is_replay) + return false; + + num_active_edp += 1; } + + /* If more than one active eDP then disallow. */ + if (num_active_edp > 1) + return false; } // TODO: review other cases when idle optimization is allowed

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Fix idle optimization checks for" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 5922deae69beabae98644f3cd902df45da932297 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081233-crunchy-passport-1942@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 5922deae69be ("drm/amd/display: Fix idle optimization checks for multi-display and dual eDP") ac9c748362fd ("drm/amd/display: Allow IPS2 during Replay") 16927047b396 ("drm/amd/display: Disable IPS by default") 198891fd2902 ("drm/amd/display: Create one virtual connector in DC") 0c9ae5cfefb0 ("Revert "drm/amd/display: Create one virtual connector in DC"") 7d3dc50e241d ("Revert "drm/amd/display: Disable virtual links"") 3dcb66171583 ("Revert "drm/amd/display: Initialize writeback connector"") c66705c5a87e ("Revert "drm/amd/display: Create amdgpu_dm_wb_connector"") b22c336268e4 ("drm/amd/display: Disable virtual links") c0af8c744e7e ("drm/amd/display: Make driver backwards-compatible with non-IPS PMFW") a5f9523c9ca3 ("drm/amd/display: Create amdgpu_dm_wb_connector") a2830b9e852f ("drm/amd/display: Initialize writeback connector") 554340133e4f ("drm/amd/display: Create one virtual connector in DC") 1b097bcd224e ("drm/amd/display: Skip entire amdgpu_dm build if !CONFIG_DRM_AMD_DC") 1288d7020809 ("drm/amd/display: Improve x86 and dmub ips handshake") c0f8b83188c7 ("drm/amd/display: disable IPS") 93a66cef607c ("drm/amd/display: Add IPS control flag") dc01c4b79bfe ("drm/amd/display: Update driver and IPS interop") 77ad5f6febdc ("drm/amd/display: Add new logs for AutoDPMTest") 0fa45b6aeae4 ("drm/amd/display: Add DCN35 Resource") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 5922deae69beabae98644f3cd902df45da932297 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Date: Thu, 25 Apr 2024 11:26:59 -0400 Subject: [PATCH] drm/amd/display: Fix idle optimization checks for multi-display and dual eDP [Why] Idle optimizations are blocked if there's more than one eDP connector on the board - blocking S0i3 and IPS2 for static screen. [How] Fix the checks to correctly detect number of active eDP. Also restrict the eDP support to panels that have correct feature support. Cc: Mario Limonciello <mario.limonciello(a)amd.com> Cc: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu(a)amd.com> Acked-by: Tom Chung <chiahsuan.chung(a)amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 1c71a5d4ac5d..bddcd23a2727 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -660,22 +660,43 @@ void dcn35_power_down_on_boot(struct dc *dc) bool dcn35_apply_idle_power_optimizations(struct dc *dc, bool enable) { - struct dc_link *edp_links[MAX_NUM_EDP]; - int i, edp_num; if (dc->debug.dmcub_emulation) return true; if (enable) { - dc_get_edp_links(dc, edp_links, &edp_num); - if (edp_num == 0 || edp_num > 1) - return false; + uint32_t num_active_edp = 0; + int i; for (i = 0; i < dc->current_state->stream_count; ++i) { struct dc_stream_state *stream = dc->current_state->streams[i]; + struct dc_link *link = stream->link; + bool is_psr = link && !link->panel_config.psr.disable_psr && + (link->psr_settings.psr_version == DC_PSR_VERSION_1 || + link->psr_settings.psr_version == DC_PSR_VERSION_SU_1); + bool is_replay = link && link->replay_settings.replay_feature_enabled; - if (!stream->dpms_off && !dc_is_embedded_signal(stream->signal)) + /* Ignore streams that disabled. */ + if (stream->dpms_off) + continue; + + /* Active external displays block idle optimizations. */ + if (!dc_is_embedded_signal(stream->signal)) return false; + + /* If not PWRSEQ0 can't enter idle optimizations */ + if (link && link->link_index != 0) + return false; + + /* Check for panel power features required for idle optimizations. */ + if (!is_psr && !is_replay) + return false; + + num_active_edp += 1; } + + /* If more than one active eDP then disallow. */ + if (num_active_edp > 1) + return false; } // TODO: review other cases when idle optimization is allowed

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Fix idle optimization checks for" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 5922deae69beabae98644f3cd902df45da932297 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081234-resurface-nutty-2313@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: 5922deae69be ("drm/amd/display: Fix idle optimization checks for multi-display and dual eDP") ac9c748362fd ("drm/amd/display: Allow IPS2 during Replay") 16927047b396 ("drm/amd/display: Disable IPS by default") 198891fd2902 ("drm/amd/display: Create one virtual connector in DC") 0c9ae5cfefb0 ("Revert "drm/amd/display: Create one virtual connector in DC"") 7d3dc50e241d ("Revert "drm/amd/display: Disable virtual links"") 3dcb66171583 ("Revert "drm/amd/display: Initialize writeback connector"") c66705c5a87e ("Revert "drm/amd/display: Create amdgpu_dm_wb_connector"") b22c336268e4 ("drm/amd/display: Disable virtual links") c0af8c744e7e ("drm/amd/display: Make driver backwards-compatible with non-IPS PMFW") a5f9523c9ca3 ("drm/amd/display: Create amdgpu_dm_wb_connector") a2830b9e852f ("drm/amd/display: Initialize writeback connector") 554340133e4f ("drm/amd/display: Create one virtual connector in DC") 1b097bcd224e ("drm/amd/display: Skip entire amdgpu_dm build if !CONFIG_DRM_AMD_DC") 1288d7020809 ("drm/amd/display: Improve x86 and dmub ips handshake") c0f8b83188c7 ("drm/amd/display: disable IPS") 93a66cef607c ("drm/amd/display: Add IPS control flag") dc01c4b79bfe ("drm/amd/display: Update driver and IPS interop") 77ad5f6febdc ("drm/amd/display: Add new logs for AutoDPMTest") 0fa45b6aeae4 ("drm/amd/display: Add DCN35 Resource") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 5922deae69beabae98644f3cd902df45da932297 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Date: Thu, 25 Apr 2024 11:26:59 -0400 Subject: [PATCH] drm/amd/display: Fix idle optimization checks for multi-display and dual eDP [Why] Idle optimizations are blocked if there's more than one eDP connector on the board - blocking S0i3 and IPS2 for static screen. [How] Fix the checks to correctly detect number of active eDP. Also restrict the eDP support to panels that have correct feature support. Cc: Mario Limonciello <mario.limonciello(a)amd.com> Cc: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu(a)amd.com> Acked-by: Tom Chung <chiahsuan.chung(a)amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 1c71a5d4ac5d..bddcd23a2727 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -660,22 +660,43 @@ void dcn35_power_down_on_boot(struct dc *dc) bool dcn35_apply_idle_power_optimizations(struct dc *dc, bool enable) { - struct dc_link *edp_links[MAX_NUM_EDP]; - int i, edp_num; if (dc->debug.dmcub_emulation) return true; if (enable) { - dc_get_edp_links(dc, edp_links, &edp_num); - if (edp_num == 0 || edp_num > 1) - return false; + uint32_t num_active_edp = 0; + int i; for (i = 0; i < dc->current_state->stream_count; ++i) { struct dc_stream_state *stream = dc->current_state->streams[i]; + struct dc_link *link = stream->link; + bool is_psr = link && !link->panel_config.psr.disable_psr && + (link->psr_settings.psr_version == DC_PSR_VERSION_1 || + link->psr_settings.psr_version == DC_PSR_VERSION_SU_1); + bool is_replay = link && link->replay_settings.replay_feature_enabled; - if (!stream->dpms_off && !dc_is_embedded_signal(stream->signal)) + /* Ignore streams that disabled. */ + if (stream->dpms_off) + continue; + + /* Active external displays block idle optimizations. */ + if (!dc_is_embedded_signal(stream->signal)) return false; + + /* If not PWRSEQ0 can't enter idle optimizations */ + if (link && link->link_index != 0) + return false; + + /* Check for panel power features required for idle optimizations. */ + if (!is_psr && !is_replay) + return false; + + num_active_edp += 1; } + + /* If more than one active eDP then disallow. */ + if (num_active_edp > 1) + return false; } // TODO: review other cases when idle optimization is allowed

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Fix idle optimization checks for" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 5922deae69beabae98644f3cd902df45da932297 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081233-mumbling-hangout-5990@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: 5922deae69be ("drm/amd/display: Fix idle optimization checks for multi-display and dual eDP") ac9c748362fd ("drm/amd/display: Allow IPS2 during Replay") 16927047b396 ("drm/amd/display: Disable IPS by default") 198891fd2902 ("drm/amd/display: Create one virtual connector in DC") 0c9ae5cfefb0 ("Revert "drm/amd/display: Create one virtual connector in DC"") 7d3dc50e241d ("Revert "drm/amd/display: Disable virtual links"") 3dcb66171583 ("Revert "drm/amd/display: Initialize writeback connector"") c66705c5a87e ("Revert "drm/amd/display: Create amdgpu_dm_wb_connector"") b22c336268e4 ("drm/amd/display: Disable virtual links") c0af8c744e7e ("drm/amd/display: Make driver backwards-compatible with non-IPS PMFW") a5f9523c9ca3 ("drm/amd/display: Create amdgpu_dm_wb_connector") a2830b9e852f ("drm/amd/display: Initialize writeback connector") 554340133e4f ("drm/amd/display: Create one virtual connector in DC") 1b097bcd224e ("drm/amd/display: Skip entire amdgpu_dm build if !CONFIG_DRM_AMD_DC") 1288d7020809 ("drm/amd/display: Improve x86 and dmub ips handshake") c0f8b83188c7 ("drm/amd/display: disable IPS") 93a66cef607c ("drm/amd/display: Add IPS control flag") dc01c4b79bfe ("drm/amd/display: Update driver and IPS interop") 77ad5f6febdc ("drm/amd/display: Add new logs for AutoDPMTest") 0fa45b6aeae4 ("drm/amd/display: Add DCN35 Resource") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 5922deae69beabae98644f3cd902df45da932297 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Date: Thu, 25 Apr 2024 11:26:59 -0400 Subject: [PATCH] drm/amd/display: Fix idle optimization checks for multi-display and dual eDP [Why] Idle optimizations are blocked if there's more than one eDP connector on the board - blocking S0i3 and IPS2 for static screen. [How] Fix the checks to correctly detect number of active eDP. Also restrict the eDP support to panels that have correct feature support. Cc: Mario Limonciello <mario.limonciello(a)amd.com> Cc: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu(a)amd.com> Acked-by: Tom Chung <chiahsuan.chung(a)amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 1c71a5d4ac5d..bddcd23a2727 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -660,22 +660,43 @@ void dcn35_power_down_on_boot(struct dc *dc) bool dcn35_apply_idle_power_optimizations(struct dc *dc, bool enable) { - struct dc_link *edp_links[MAX_NUM_EDP]; - int i, edp_num; if (dc->debug.dmcub_emulation) return true; if (enable) { - dc_get_edp_links(dc, edp_links, &edp_num); - if (edp_num == 0 || edp_num > 1) - return false; + uint32_t num_active_edp = 0; + int i; for (i = 0; i < dc->current_state->stream_count; ++i) { struct dc_stream_state *stream = dc->current_state->streams[i]; + struct dc_link *link = stream->link; + bool is_psr = link && !link->panel_config.psr.disable_psr && + (link->psr_settings.psr_version == DC_PSR_VERSION_1 || + link->psr_settings.psr_version == DC_PSR_VERSION_SU_1); + bool is_replay = link && link->replay_settings.replay_feature_enabled; - if (!stream->dpms_off && !dc_is_embedded_signal(stream->signal)) + /* Ignore streams that disabled. */ + if (stream->dpms_off) + continue; + + /* Active external displays block idle optimizations. */ + if (!dc_is_embedded_signal(stream->signal)) return false; + + /* If not PWRSEQ0 can't enter idle optimizations */ + if (link && link->link_index != 0) + return false; + + /* Check for panel power features required for idle optimizations. */ + if (!is_psr && !is_replay) + return false; + + num_active_edp += 1; } + + /* If more than one active eDP then disallow. */ + if (num_active_edp > 1) + return false; } // TODO: review other cases when idle optimization is allowed

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Fix idle optimization checks for" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 5922deae69beabae98644f3cd902df45da932297 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081232-unsoiled-grandma-2a4c@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: 5922deae69be ("drm/amd/display: Fix idle optimization checks for multi-display and dual eDP") ac9c748362fd ("drm/amd/display: Allow IPS2 during Replay") 16927047b396 ("drm/amd/display: Disable IPS by default") 198891fd2902 ("drm/amd/display: Create one virtual connector in DC") 0c9ae5cfefb0 ("Revert "drm/amd/display: Create one virtual connector in DC"") 7d3dc50e241d ("Revert "drm/amd/display: Disable virtual links"") 3dcb66171583 ("Revert "drm/amd/display: Initialize writeback connector"") c66705c5a87e ("Revert "drm/amd/display: Create amdgpu_dm_wb_connector"") b22c336268e4 ("drm/amd/display: Disable virtual links") c0af8c744e7e ("drm/amd/display: Make driver backwards-compatible with non-IPS PMFW") a5f9523c9ca3 ("drm/amd/display: Create amdgpu_dm_wb_connector") a2830b9e852f ("drm/amd/display: Initialize writeback connector") 554340133e4f ("drm/amd/display: Create one virtual connector in DC") 1b097bcd224e ("drm/amd/display: Skip entire amdgpu_dm build if !CONFIG_DRM_AMD_DC") 1288d7020809 ("drm/amd/display: Improve x86 and dmub ips handshake") c0f8b83188c7 ("drm/amd/display: disable IPS") 93a66cef607c ("drm/amd/display: Add IPS control flag") dc01c4b79bfe ("drm/amd/display: Update driver and IPS interop") 77ad5f6febdc ("drm/amd/display: Add new logs for AutoDPMTest") 0fa45b6aeae4 ("drm/amd/display: Add DCN35 Resource") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 5922deae69beabae98644f3cd902df45da932297 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Date: Thu, 25 Apr 2024 11:26:59 -0400 Subject: [PATCH] drm/amd/display: Fix idle optimization checks for multi-display and dual eDP [Why] Idle optimizations are blocked if there's more than one eDP connector on the board - blocking S0i3 and IPS2 for static screen. [How] Fix the checks to correctly detect number of active eDP. Also restrict the eDP support to panels that have correct feature support. Cc: Mario Limonciello <mario.limonciello(a)amd.com> Cc: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu(a)amd.com> Acked-by: Tom Chung <chiahsuan.chung(a)amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 1c71a5d4ac5d..bddcd23a2727 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -660,22 +660,43 @@ void dcn35_power_down_on_boot(struct dc *dc) bool dcn35_apply_idle_power_optimizations(struct dc *dc, bool enable) { - struct dc_link *edp_links[MAX_NUM_EDP]; - int i, edp_num; if (dc->debug.dmcub_emulation) return true; if (enable) { - dc_get_edp_links(dc, edp_links, &edp_num); - if (edp_num == 0 || edp_num > 1) - return false; + uint32_t num_active_edp = 0; + int i; for (i = 0; i < dc->current_state->stream_count; ++i) { struct dc_stream_state *stream = dc->current_state->streams[i]; + struct dc_link *link = stream->link; + bool is_psr = link && !link->panel_config.psr.disable_psr && + (link->psr_settings.psr_version == DC_PSR_VERSION_1 || + link->psr_settings.psr_version == DC_PSR_VERSION_SU_1); + bool is_replay = link && link->replay_settings.replay_feature_enabled; - if (!stream->dpms_off && !dc_is_embedded_signal(stream->signal)) + /* Ignore streams that disabled. */ + if (stream->dpms_off) + continue; + + /* Active external displays block idle optimizations. */ + if (!dc_is_embedded_signal(stream->signal)) return false; + + /* If not PWRSEQ0 can't enter idle optimizations */ + if (link && link->link_index != 0) + return false; + + /* Check for panel power features required for idle optimizations. */ + if (!is_psr && !is_replay) + return false; + + num_active_edp += 1; } + + /* If more than one active eDP then disallow. */ + if (num_active_edp > 1) + return false; } // TODO: review other cases when idle optimization is allowed

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Fix idle optimization checks for" failed to apply to 6.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.10.y git checkout FETCH_HEAD git cherry-pick -x 5922deae69beabae98644f3cd902df45da932297 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081231-nuptials-manor-7064@gregkh' --subject-prefix 'PATCH 6.10.y' HEAD^.. Possible dependencies: 5922deae69be ("drm/amd/display: Fix idle optimization checks for multi-display and dual eDP") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 5922deae69beabae98644f3cd902df45da932297 Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Date: Thu, 25 Apr 2024 11:26:59 -0400 Subject: [PATCH] drm/amd/display: Fix idle optimization checks for multi-display and dual eDP [Why] Idle optimizations are blocked if there's more than one eDP connector on the board - blocking S0i3 and IPS2 for static screen. [How] Fix the checks to correctly detect number of active eDP. Also restrict the eDP support to panels that have correct feature support. Cc: Mario Limonciello <mario.limonciello(a)amd.com> Cc: Alex Deucher <alexander.deucher(a)amd.com> Cc: stable(a)vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu(a)amd.com> Acked-by: Tom Chung <chiahsuan.chung(a)amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 1c71a5d4ac5d..bddcd23a2727 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -660,22 +660,43 @@ void dcn35_power_down_on_boot(struct dc *dc) bool dcn35_apply_idle_power_optimizations(struct dc *dc, bool enable) { - struct dc_link *edp_links[MAX_NUM_EDP]; - int i, edp_num; if (dc->debug.dmcub_emulation) return true; if (enable) { - dc_get_edp_links(dc, edp_links, &edp_num); - if (edp_num == 0 || edp_num > 1) - return false; + uint32_t num_active_edp = 0; + int i; for (i = 0; i < dc->current_state->stream_count; ++i) { struct dc_stream_state *stream = dc->current_state->streams[i]; + struct dc_link *link = stream->link; + bool is_psr = link && !link->panel_config.psr.disable_psr && + (link->psr_settings.psr_version == DC_PSR_VERSION_1 || + link->psr_settings.psr_version == DC_PSR_VERSION_SU_1); + bool is_replay = link && link->replay_settings.replay_feature_enabled; - if (!stream->dpms_off && !dc_is_embedded_signal(stream->signal)) + /* Ignore streams that disabled. */ + if (stream->dpms_off) + continue; + + /* Active external displays block idle optimizations. */ + if (!dc_is_embedded_signal(stream->signal)) return false; + + /* If not PWRSEQ0 can't enter idle optimizations */ + if (link && link->link_index != 0) + return false; + + /* Check for panel power features required for idle optimizations. */ + if (!is_psr && !is_replay) + return false; + + num_active_edp += 1; } + + /* If more than one active eDP then disallow. */ + if (num_active_edp > 1) + return false; } // TODO: review other cases when idle optimization is allowed

1 year, 2 months

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FAILED: patch "[PATCH] drm/amd/display: Remove redundant idle optimization check" failed to apply to 6.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.10.y git checkout FETCH_HEAD git cherry-pick -x 5745cb2da6fe08899420d695ce436df0166e7807 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024081213-waged-plausibly-75fe@gregkh' --subject-prefix 'PATCH 6.10.y' HEAD^.. Possible dependencies: 5745cb2da6fe ("drm/amd/display: Remove redundant idle optimization check") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 5745cb2da6fe08899420d695ce436df0166e7807 Mon Sep 17 00:00:00 2001 From: Roman Li <roman.li(a)amd.com> Date: Tue, 7 May 2024 16:26:08 -0400 Subject: [PATCH] drm/amd/display: Remove redundant idle optimization check [Why] Disable idle optimization for each atomic commit is unnecessary, and can lead to a potential race condition. [How] Remove idle optimization check from amdgpu_dm_atomic_commit_tail() Fixes: 196107eb1e15 ("drm/amd/display: Add IPS checks before dcn register access") Cc: stable(a)vger.kernel.org Reviewed-by: Hamza Mahfooz <hamza.mahfooz(a)amd.com> Acked-by: Roman Li <roman.li(a)amd.com> Signed-off-by: Roman Li <roman.li(a)amd.com> Tested-by: Daniel Wheeler <daniel.wheeler(a)amd.com> Signed-off-by: Alex Deucher <alexander.deucher(a)amd.com> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 3bcfc95ad36a..1e263b357c13 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9395,9 +9395,6 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) trace_amdgpu_dm_atomic_commit_tail_begin(state); - if (dm->dc->caps.ips_support && dm->dc->idle_optimizations_allowed) - dc_allow_idle_optimizations(dm->dc, false); - drm_atomic_helper_update_legacy_modeset_state(dev, state); drm_dp_mst_atomic_wait_for_dependencies(state);

1 year, 2 months

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