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authorVille Syrjälä <ville.syrjala@linux.intel.com>2025-02-07 23:54:04 +0200
committerJani Nikula <jani.nikula@intel.com>2025-04-07 11:00:06 +0300
commited583d008edcb021c30ecad2e9d5c868d9ed5862 (patch)
tree86240ff8a71258882bb946bded1223b357ad7f6f
parent0af2f6be1b4281385b618cb86ad946eded089ac8 (diff)
downloadlinux-ed583d008edcb021c30ecad2e9d5c868d9ed5862.tar.gz
linux-ed583d008edcb021c30ecad2e9d5c868d9ed5862.zip
drm/i915: Fix scanline_offset for LNL+ and BMG+
Turns out LNL+ and BMG+ no longer have the weird extra scanline offset for HDMI outputs. Fix intel_crtc_scanline_offset() accordingly so that scanline evasion/etc. works correctly on HDMI outputs on these new platforms. Cc: stable@vger.kernel.org Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250207215406.19348-2-ville.syrjala@linux.intel.com Reviewed-by: Uma Shankar <uma.shankar@intel.com> (cherry picked from commit fede97b72b957b46260ca98fc924ba2b916e50d7) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
-rw-r--r--drivers/gpu/drm/i915/display/intel_vblank.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c b/drivers/gpu/drm/i915/display/intel_vblank.c
index 4efd4f7d497a..7b240ce681a0 100644
--- a/drivers/gpu/drm/i915/display/intel_vblank.c
+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
@@ -222,7 +222,9 @@ int intel_crtc_scanline_offset(const struct intel_crtc_state *crtc_state)
* However if queried just before the start of vblank we'll get an
* answer that's slightly in the future.
*/
- if (DISPLAY_VER(display) == 2)
+ if (DISPLAY_VER(display) >= 20 || display->platform.battlemage)
+ return 1;
+ else if (DISPLAY_VER(display) == 2)
return -1;
else if (HAS_DDI(display) && intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
return 2;