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@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 6a7fd76b949efe40fb6d6677f480e624e0cb6e40 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to 'stable@vger.kernel.org' --in-reply-to '2024121043-uptown-subsonic-ab5b@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..

Possible dependencies:

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 6a7fd76b949efe40fb6d6677f480e624e0cb6e40 Mon Sep 17 00:00:00 2001 From: Sung Lee Sung.Lee@amd.com Date: Thu, 14 Nov 2024 14:18:13 -0500 Subject: [PATCH] drm/amd/display: Add option to retrieve detile buffer size

[WHY] For better power profiling knowing the detile buffer size at a given point in time would be useful.

[HOW] Add interface to retrieve detile buffer from dc state.

Cc: Mario Limonciello mario.limonciello@amd.com Cc: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org Reviewed-by: Aric Cyr aric.cyr@amd.com Signed-off-by: Sung Lee Sung.Lee@amd.com Signed-off-by: Alex Hung alex.hung@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 1dd26d5df6b9..49fe7dcf9372 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -6109,3 +6109,21 @@ struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state profile.power_level = dc->res_pool->funcs->get_power_profile(context); return profile; } + +/* + ********************************************************************************** + * dc_get_det_buffer_size_from_state() - extracts detile buffer size from dc state + * + * Called when DM wants to log detile buffer size from dc_state + * + ********************************************************************************** + */ +unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context) +{ + struct dc *dc = context->clk_mgr->ctx->dc; + + if (dc->res_pool->funcs->get_det_buffer_size) + return dc->res_pool->funcs->get_det_buffer_size(context); + else + return 0; +} diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 104051935884..49a31598bb88 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -2550,6 +2550,8 @@ struct dc_power_profile {

struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state *context);

+unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context); + /* DSC Interfaces */ #include "dc_dsc.h"

diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h index 8597e866bfe6..3061dca47dd2 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h +++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h @@ -219,6 +219,7 @@ struct resource_funcs { * Get indicator of power from a context that went through full validation */ int (*get_power_profile)(const struct dc_state *context); + unsigned int (*get_det_buffer_size)(const struct dc_state *context); };

struct audio_support{ diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c index c16cf1c8f7f9..54ec3d8e920c 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c @@ -1720,6 +1720,12 @@ int dcn31_populate_dml_pipes_from_context( return pipe_cnt; }

+unsigned int dcn31_get_det_buffer_size( + const struct dc_state *context) +{ + return context->bw_ctx.dml.ip.det_buffer_size_kbytes; +} + void dcn31_calculate_wm_and_dlg( struct dc *dc, struct dc_state *context, display_e2e_pipe_params_st *pipes, @@ -1842,6 +1848,7 @@ static struct resource_funcs dcn31_res_pool_funcs = { .update_bw_bounding_box = dcn31_update_bw_bounding_box, .patch_unknown_plane_state = dcn20_patch_unknown_plane_state, .get_panel_config_defaults = dcn31_get_panel_config_defaults, + .get_det_buffer_size = dcn31_get_det_buffer_size, };

static struct clock_source *dcn30_clock_source_create( diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.h b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.h index 901436591ed4..551ad912f7be 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.h +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.h @@ -63,6 +63,9 @@ struct resource_pool *dcn31_create_resource_pool( const struct dc_init_data *init_data, struct dc *dc);

+unsigned int dcn31_get_det_buffer_size( + const struct dc_state *context); + /*temp: B0 specific before switch to dcn313 headers*/ #ifndef regPHYPLLF_PIXCLK_RESYNC_CNTL #define regPHYPLLF_PIXCLK_RESYNC_CNTL 0x007e diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c index c0f48c78e968..2794473f2aff 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c @@ -1777,6 +1777,7 @@ static struct resource_funcs dcn314_res_pool_funcs = { .patch_unknown_plane_state = dcn20_patch_unknown_plane_state, .get_panel_config_defaults = dcn314_get_panel_config_defaults, .get_preferred_eng_id_dpia = dcn314_get_preferred_eng_id_dpia, + .get_det_buffer_size = dcn31_get_det_buffer_size, };

static struct clock_source *dcn30_clock_source_create( diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c index 6c3295259a81..4ee33eb3381d 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn315/dcn315_resource.c @@ -1845,6 +1845,7 @@ static struct resource_funcs dcn315_res_pool_funcs = { .patch_unknown_plane_state = dcn20_patch_unknown_plane_state, .get_panel_config_defaults = dcn315_get_panel_config_defaults, .get_power_profile = dcn315_get_power_profile, + .get_det_buffer_size = dcn31_get_det_buffer_size, };

static bool dcn315_resource_construct( diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c index 6edaaadcb173..79eddbafe3c2 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn316/dcn316_resource.c @@ -1719,6 +1719,7 @@ static struct resource_funcs dcn316_res_pool_funcs = { .update_bw_bounding_box = dcn316_update_bw_bounding_box, .patch_unknown_plane_state = dcn20_patch_unknown_plane_state, .get_panel_config_defaults = dcn316_get_panel_config_defaults, + .get_det_buffer_size = dcn31_get_det_buffer_size, };

static bool dcn316_resource_construct( diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c index 6cc2960b6104..09a5a9474903 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c @@ -1778,6 +1778,7 @@ static struct resource_funcs dcn35_res_pool_funcs = { .patch_unknown_plane_state = dcn20_patch_unknown_plane_state, .get_panel_config_defaults = dcn35_get_panel_config_defaults, .get_preferred_eng_id_dpia = dcn35_get_preferred_eng_id_dpia, + .get_det_buffer_size = dcn31_get_det_buffer_size, };

static bool dcn35_resource_construct( diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c index d87e2641cda1..fe382f9b6ff2 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c @@ -1757,6 +1757,7 @@ static struct resource_funcs dcn351_res_pool_funcs = { .patch_unknown_plane_state = dcn20_patch_unknown_plane_state, .get_panel_config_defaults = dcn35_get_panel_config_defaults, .get_preferred_eng_id_dpia = dcn351_get_preferred_eng_id_dpia, + .get_det_buffer_size = dcn31_get_det_buffer_size, };

static bool dcn351_resource_construct(