Aric Cyr 01130f5260 drm/amd/display: Add hubp cache reset when powergating ... [Why] When HUBP is power gated, the SW state can get out of sync with the hardware state causing cursor to not be programmed correctly. [How] Similar to DPP, add a HUBP reset function which is called wherever HUBP is initialized or powergated. This function will clear the cursor position and attribute cache allowing for proper programming when the HUBP is brought back up. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Reviewed-by: Sung Lee <sung.lee@amd.com> Signed-off-by: Aric Cyr <Aric.Cyr@amd.com> Signed-off-by: Wayne Lin <wayne.lin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>		2025-01-24 09:56:22 -05:00
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dcn201_hubp.c	drm/amd/display: Add hubp cache reset when powergating	2025-01-24 09:56:22 -05:00
dcn201_hubp.h