From 6df0768c0ddbed8f4be900489a1502f0bd4bde87 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Timur=20Krist=C3=B3f?= Date: Thu, 28 Aug 2025 17:11:11 +0200 Subject: [PATCH] drm/amd/pm: Remove wm_low and wm_high fields from amdgpu_crtc (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit These fields were only used by si_dpm and are not necessary anymore. They also may have been incorrect because: - wm_high was set to the LOW_WATERMARK field of watermark A. - wm_low was not set on DCE 6 and was always zero. Reviewed-by: Alex Deucher Signed-off-by: Timur Kristóf Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 2 -- drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 3 +-- drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 3 +-- drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 1 - drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 3 +-- 5 files changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h index 6da4f946cac00..20460cfd09bc2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h @@ -496,8 +496,6 @@ struct amdgpu_crtc { struct drm_connector *connector; /* for dpm */ u32 line_time; - u32 wm_low; - u32 wm_high; u32 lb_vblank_lead_lines; struct drm_display_mode hw_mode; /* for virtual dce */ diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index ba73518f5cdf3..72ca6538b2e49 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -1141,8 +1141,7 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, /* save values for DPM */ amdgpu_crtc->line_time = line_time; - amdgpu_crtc->wm_high = latency_watermark_a; - amdgpu_crtc->wm_low = latency_watermark_b; + /* Save number of lines the linebuffer leads before the scanout */ amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index b01d88d078fa2..e846088913000 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -1173,8 +1173,7 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, /* save values for DPM */ amdgpu_crtc->line_time = line_time; - amdgpu_crtc->wm_high = latency_watermark_a; - amdgpu_crtc->wm_low = latency_watermark_b; + /* Save number of lines the linebuffer leads before the scanout */ amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index 81760a26f2ffc..acc887a58518d 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -1034,7 +1034,6 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev, /* save values for DPM */ amdgpu_crtc->line_time = line_time; - amdgpu_crtc->wm_high = latency_watermark_a; /* Save number of lines the linebuffer leads before the scanout */ amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 19a265bd4d196..2ccd6aad8dd65 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -1096,8 +1096,7 @@ static void dce_v8_0_program_watermarks(struct amdgpu_device *adev, /* save values for DPM */ amdgpu_crtc->line_time = line_time; - amdgpu_crtc->wm_high = latency_watermark_a; - amdgpu_crtc->wm_low = latency_watermark_b; + /* Save number of lines the linebuffer leads before the scanout */ amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; } -- 2.47.3