linux-stable.git/drivers/gpu/drm/amd, branch v6.6.53 Linux kernel stable tree drm/amd/amdgpu: apply command submission parser for JPEG v1 2024-09-18T17:24:10+00:00 David (Ming Qiang) Wu David.Wu3@amd.com 2024-09-05T20:57:28+00:00 ff65ae25d3cbcd8737e5971230031f0826a33250 commit 8409fb50ce48d66cf9dc5391f03f05c56c430605 upstream. Similar to jpeg_v2_dec_ring_parse_cs() but it has different register ranges and a few other registers access. Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 3d5adbdf1d01708777f2eda375227cbf7a98b9fe) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 8409fb50ce48d66cf9dc5391f03f05c56c430605 upstream.

Similar to jpeg_v2_dec_ring_parse_cs() but it has different
register ranges and a few other registers access.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3d5adbdf1d01708777f2eda375227cbf7a98b9fe)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amdgpu/atomfirmware: Silence UBSAN warning 2024-09-18T17:24:10+00:00 Alex Deucher alexander.deucher@amd.com 2024-09-06T14:42:45+00:00 54268468399e5d1b23e76e43d06ff49ccad5fd4d commit 17ea4383649fdeaff3181ddcf1ff03350d42e591 upstream. Per the comments, these are variable sized arrays. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3613 Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 81f7804ba84ee617ed594de934ed87bcc4f83531) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 17ea4383649fdeaff3181ddcf1ff03350d42e591 upstream.

Per the comments, these are variable sized arrays.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3613
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 81f7804ba84ee617ed594de934ed87bcc4f83531)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drm/amd/display: Fix FEC_READY write on DP LT 2024-09-18T17:24:07+00:00 Ilya Bakoulin ilya.bakoulin@amd.com 2024-04-17T18:21:28+00:00 7853c146f8b45107bea25dcc1870c4dc3a042540 [ Upstream commit a8baec4623aedf36d50767627f6eae5ebf07c6fb ] [Why/How] We can miss writing FEC_READY in some cases before LT start, which violates DP spec. Remove the condition guarding the DPCD write so that the write happens unconditionally. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Reviewed-by: Wenjing Liu <wenjing.liu@amd.com> Acked-by: Wayne Lin <wayne.lin@amd.com> Signed-off-by: Ilya Bakoulin <ilya.bakoulin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit a8baec4623aedf36d50767627f6eae5ebf07c6fb ]

[Why/How]
We can miss writing FEC_READY in some cases before LT start, which
violates DP spec. Remove the condition guarding the DPCD write so that
the write happens unconditionally.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Ilya Bakoulin <ilya.bakoulin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amd/display: Disable error correction if it's not supported 2024-09-18T17:24:07+00:00 Cruise cruise.hung@amd.com 2024-04-12T01:51:29+00:00 27bbf0b1cac9866666878421d57c15a78867f7cd [ Upstream commit a8ac994cf0693a1ce59410995594e56124a1c79f ] [Why] Error correction was enabled in a monitor which doesn't support. [How] Disable error correction if it's not supported Reviewed-by: Wenjing Liu <wenjing.liu@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Cruise <cruise.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Stable-dep-of: a8baec4623ae ("drm/amd/display: Fix FEC_READY write on DP LT") Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit a8ac994cf0693a1ce59410995594e56124a1c79f ]

[Why]
Error correction was enabled in a monitor which doesn't support.

[How]
Disable error correction if it's not supported

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Cruise <cruise.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: a8baec4623ae ("drm/amd/display: Fix FEC_READY write on DP LT")
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu: handle gfx12 in amdgpu_display_verify_sizes 2024-09-12T09:11:43+00:00 Marek Olšák marek.olsak@amd.com 2024-06-01T23:53:01+00:00 302ba299c31e0de54cea431ac1d281dbab7fd0b5 [ Upstream commit 8dd1426e2c80e32ac1995007330c8f95ffa28ebb ] It verified GFX9-11 swizzle modes on GFX12, which has undefined behavior. Signed-off-by: Marek Olšák <marek.olsak@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 8dd1426e2c80e32ac1995007330c8f95ffa28ebb ]

It verified GFX9-11 swizzle modes on GFX12, which has undefined behavior.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu: reject gang submit on reserved VMIDs 2024-09-12T09:11:37+00:00 Christian König christian.koenig@amd.com 2024-01-19T13:57:29+00:00 6922ab2932622dbc638620aae0e2f6b8eb22940c [ Upstream commit 320debca1ba3a81c87247eac84eff976ead09ee0 ] A gang submit won't work if the VMID is reserved and we can't flush out VM changes from multiple engines at the same time. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 320debca1ba3a81c87247eac84eff976ead09ee0 ]

A gang submit won't work if the VMID is reserved and we can't flush out
VM changes from multiple engines at the same time.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu: Set no_hw_access when VF request full GPU fails 2024-09-12T09:11:36+00:00 Yifan Zha Yifan.Zha@amd.com 2024-06-27T07:06:23+00:00 077c7e5fee4b4b3fea29fd3a951a6b01f2802d9e [ Upstream commit 33f23fc3155b13c4a96d94a0a22dc26db767440b ] [Why] If VF request full GPU access and the request failed, the VF driver can get stuck accessing registers for an extended period during the unload of KMS. [How] Set no_hw_access flag when VF request for full GPU access fails This prevents further hardware access attempts, avoiding the prolonged stuck state. Signed-off-by: Yifan Zha <Yifan.Zha@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 33f23fc3155b13c4a96d94a0a22dc26db767440b ]

[Why]
If VF request full GPU access and the request failed,
the VF driver can get stuck accessing registers for an extended period during
the unload of KMS.

[How]
Set no_hw_access flag when VF request for full GPU access fails
This prevents further hardware access attempts, avoiding the prolonged
stuck state.

Signed-off-by: Yifan Zha <Yifan.Zha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu: check for LINEAR_ALIGNED correctly in check_tiling_flags_gfx6 2024-09-12T09:11:31+00:00 Marek Olšák marek.olsak@amd.com 2024-06-01T20:36:27+00:00 9a41def4c48f92d386fdadc332a91c379257aa6a [ Upstream commit 11317d2963fa79767cd7c6231a00a9d77f2e0f54 ] Fix incorrect check. Signed-off-by: Marek Olšák <marek.olsak@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 11317d2963fa79767cd7c6231a00a9d77f2e0f54 ]

Fix incorrect check.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amd/display: Check denominator pbn_div before used 2024-09-12T09:11:31+00:00 Alex Hung alex.hung@amd.com 2024-06-18T22:21:20+00:00 dfafee0a7b51c7c9612edd2d991401294964d02f [ Upstream commit 116a678f3a9abc24f5c9d2525b7393d18d9eb58e ] [WHAT & HOW] A denominator cannot be 0, and is checked before used. This fixes 1 DIVIDE_BY_ZERO issue reported by Coverity. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Jerry Zuo <jerry.zuo@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 116a678f3a9abc24f5c9d2525b7393d18d9eb58e ]

[WHAT & HOW]
A denominator cannot be 0, and is checked before used.

This fixes 1 DIVIDE_BY_ZERO issue reported by Coverity.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drm/amdgpu: clear RB_OVERFLOW bit when enabling interrupts 2024-09-12T09:11:30+00:00 Danijel Slivka danijel.slivka@amd.com 2024-06-24T05:58:24+00:00 2521ba3cfa1d1c541e1ba1a32d1b43ad5a8e412f [ Upstream commit afbf7955ff01e952dbdd465fa25a2ba92d00291c ] Why: Setting IH_RB_WPTR register to 0 will not clear the RB_OVERFLOW bit if RB_ENABLE is not set. How to fix: Set WPTR_OVERFLOW_CLEAR bit after RB_ENABLE bit is set. The RB_ENABLE bit is required to be set, together with WPTR_OVERFLOW_ENABLE bit so that setting WPTR_OVERFLOW_CLEAR bit would clear the RB_OVERFLOW. Signed-off-by: Danijel Slivka <danijel.slivka@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit afbf7955ff01e952dbdd465fa25a2ba92d00291c ]

Why:
Setting IH_RB_WPTR register to 0 will not clear the RB_OVERFLOW bit
if RB_ENABLE is not set.

How to fix:
Set WPTR_OVERFLOW_CLEAR bit after RB_ENABLE bit is set.
The RB_ENABLE bit is required to be set, together with
WPTR_OVERFLOW_ENABLE bit so that setting WPTR_OVERFLOW_CLEAR bit
would clear the RB_OVERFLOW.

Signed-off-by: Danijel Slivka <danijel.slivka@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>