kernel/linux.git/drivers/gpu/drm/amd/display/dmub/src, branch v6.7

drm/amd/display: Include udelay when waiting for INBOX0 ACK

2023-11-29T22:50:27+00:00

When waiting for the ACK for INBOX0 message, we have to ensure to include the udelay for proper wait time Cc: stable@vger.kernel.org # 6.1+ Reviewed-by: Samson Tam Acked-by: Hamza Mahfooz Signed-off-by: Alvin Lee Signed-off-by: Alex Deucher

drm/amd/display: Change the DMCUB mailbox memory location from FB to inbox

2023-11-17T05:54:58+00:00

[WHY] Flush command sent to DMCUB spends more time for execution on a dGPU than on an APU. This causes cursor lag when using high refresh rate mouses. [HOW] 1. Change the DMCUB mailbox memory location from FB to inbox. 2. Only change windows memory to inbox. Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Reviewed-by: Nicholas Kazlauskas Acked-by: Alex Hung Signed-off-by: Lewis Huang Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Guard against invalid RPTR/WPTR being set

2023-11-17T05:46:01+00:00

[WHY] HW can return invalid values on register read, guard against these being set and causing us to access memory out of range and page fault. [HOW] Guard at sync_inbox1 and guard at pushing commands. Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Reviewed-by: Hansen Dsouza Acked-by: Alex Hung Signed-off-by: Nicholas Kazlauskas Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Add a check for idle power optimization

2023-10-26T22:57:15+00:00

[why] Need a helper function to check idle power is allowed so that dc doesn't access any registers that are power-gated. [how] Implement helper function to check idle power optimization. Enable a hook to check if detection is allowed. V2: Add function hooks for set and get idle states. Check if function hook was properly initialized. Reviewed-by: Aric Cyr Reviewed-by: Nicholas Choi Acked-by: Roman Li Signed-off-by: Sung Joon Kim Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Add missing copyright notice in DMUB

2023-10-26T22:41:22+00:00

[Why & How] Add missing/incomplete copyright notice in DMUB files Reviewed-by: Harry Wentland Signed-off-by: Stylon Wang Signed-off-by: Alex Deucher

drm/amd/display: Revert "drm/amd/display: Add a check for idle power optimization"

2023-10-09T20:59:23+00:00

Revert commit 434cf7af492f ("drm/amd/display: Add a check for idle power optimization") Because it cause Freesync and S4 regression Reviewed-by: Aric Cyr Acked-by: Tom Chung Signed-off-by: Sung Joon Kim Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Add a check for idle power optimization

2023-10-04T22:42:17+00:00

[why] Need a helper function to check idle power is allowed so that dc doesn't access any registers that are power-gated. [how] Implement helper function to check idle power optimization. Enable a hook to check if detection is allowed. Signed-off-by: Sung Joon Kim Acked-by: Aurabindo Pillai Reviewed-by: Rodrigo Siqueira Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: clean up one inconsistent indenting

2023-09-06T18:33:05+00:00

drivers/gpu/drm/amd/amdgpu/../display/dmub/src/dmub_srv.c:355 dmub_srv_hw_setup() warn: inconsistent indenting Signed-off-by: Yang Li Signed-off-by: Alex Deucher

drm/amd/display: Add DCN35 DMUB

2023-08-30T19:51:15+00:00

[Why & How] Add DMUB handling for DCN35. Signed-off-by: Qingqing Zhuo Acked-by: Harry Wentland Signed-off-by: Alex Deucher

drm/amd/display: Skip dmub memory flush when not needed

2023-08-30T19:37:18+00:00

[WHY&HOW] Readback is only necessary when loaded via CPU. Reviewed-by: Chris Park Acked-by: Hamza Mahfooz Signed-off-by: Dillon Varone Signed-off-by: Alex Deucher