Disable the support for odd panning in x direction.
v2: Replace HSD with WA in commit message [Suraj]
Modified the condition for handling odd panning
v3: Simplified the condition for checking hsub
Using older framework for wa as rev1[Jani]
v4: Modify the condition for hsub [Sai Teja]
Initialize hsub in else path [Dan]
v5: Replace IS_LUNARLAKE with display version.
Resolve nitpicks[Jani]
v6: Replace -EINVAL with hsub [Suraj]
Remove src_w check as not required
v7: Remove check for NV12.
Add check for PTL as well [Matt]
v8: Alignment fix
Continuing discussions from:
https://patchwork.freedesktop.org/series/136416/
Signed-off-by: Nemesa Garg <nemesa.garg@xxxxxxxxx>
Reviewed-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_atomic_plane.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index b7e462075ded..73fe36f00dae 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -1024,6 +1024,12 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
*/
hsub = 1;
vsub = 1;
+
+ /* Wa_16023981245 */
+ if ((DISPLAY_VER_FULL(i915) == IP_VER(20, 0) ||
+ DISPLAY_VER_FULL(i915) == IP_VER(30, 0)) &&
+ src_x % 2 != 0)
+ hsub = 2;
} else {
hsub = fb->format->hsub;
vsub = fb->format->vsub;
--
2.25.1
