6.6-stable review patch. If anyone has any objections, please let me know.
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From: Charlene Liu Charlene.Liu@amd.com
[ Upstream commit 756e58e83e89d372b94269c0cde61fe55da76947 ]
[why & how] 1. apply oem panel timing (not only on OLED) 2. remove MIN_DPP_DISP_CLK request in driver.
This fix will apply for dcn31x but not sync with DML's output.
Reviewed-by: Ovidiu Bunea ovidiu.bunea@amd.com Signed-off-by: Charlene Liu Charlene.Liu@amd.com Signed-off-by: Tom Chung chiahsuan.chung@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c | 2 -- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c | 2 -- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 ++- 3 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c index ebeb969ee180b..327776eeb9f3e 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c @@ -194,8 +194,6 @@ static void dcn315_update_clocks(struct clk_mgr *clk_mgr_base, // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. if (new_clocks->dppclk_khz < MIN_DPP_DISP_CLK) new_clocks->dppclk_khz = MIN_DPP_DISP_CLK; - if (new_clocks->dispclk_khz < MIN_DPP_DISP_CLK) - new_clocks->dispclk_khz = MIN_DPP_DISP_CLK;
if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c index 6f1785715dfb7..f95e5e767eb1a 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c @@ -201,8 +201,6 @@ static void dcn316_update_clocks(struct clk_mgr *clk_mgr_base, // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. if (new_clocks->dppclk_khz < 100000) new_clocks->dppclk_khz = 100000; - if (new_clocks->dispclk_khz < 100000) - new_clocks->dispclk_khz = 100000;
if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 7b5c1498941dd..d389eeb264a79 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1066,7 +1066,8 @@ void dce110_edp_backlight_control( DC_LOG_DC("edp_receiver_ready_T9 skipped\n"); }
- if (!enable && link->dpcd_sink_ext_caps.bits.oled) { + if (!enable) { + /*follow oem panel config's requirement*/ pre_T11_delay += link->panel_config.pps.extra_pre_t11_ms; msleep(pre_T11_delay); }