Alex Deucher
ca28e80abe
drm/amdgpu/hdp6: use memcfg register to post the write for HDP flush
...
Reading back the remapped HDP flush register seems to cause
problems on some platforms. All we need is a read, so read back
the memcfg register.
Fixes: abe1cbaec6alexey.klimov@linaro.org >
Link: https://lists.freedesktop.org/archives/amd-gfx/2025-April/123150.html
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4119
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3908
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
(cherry picked from commit 84141ff615stable@vger.kernel.org
2025-05-08 11:47:54 -04:00
Lijo Lazar
a5219b41dd
drm/amdgpu: Clean up atom header file inclusion
...
atom bios header files are not required in these files.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com >
Reviewed-by: Alex Deucher <alexander.deucher@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
2025-02-12 21:04:06 -05:00
Alex Deucher
abe1cbaec6
drm/amdgpu/hdp6.0: do a posting read when flushing HDP
...
Need to read back to make sure the write goes through.
Cc: David Belanger <david.belanger@amd.com >
Reviewed-by: Frank Min <frank.min@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
Cc: stable@vger.kernel.org
2024-12-02 17:38:47 -05:00
Victor Zhao
bf2bc61638
drm/amd/amdgpu: allow use kiq to do hdp flush under sriov
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when use cpu to do page table update under sriov runtime, since mmio
access is blocked, kiq has to be used to flush hdp.
change WREG32_NO_KIQ to WREG32 to allow kiq.
Signed-off-by: Victor Zhao <Victor.Zhao@amd.com >
Reviewed-by: Emily Deng <Emily.Deng@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
2024-08-20 22:14:14 -04:00
Lijo Lazar
4e8303cf2c
drm/amdgpu: Use function for IP version check
...
Use an inline function for version check. Gives more flexibility to
handle any format changes.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com >
Reviewed-by: Alex Deucher <alexander.deucher@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
2023-09-20 12:23:28 -04:00
Lang Yu
f56c1941eb
drm/amdgpu: use 6.1.0 register offset for HDP CLK_CNTL
...
Use 6.1.0 register offset and remove unused variable.
v2: clean up logic (Alex)
Signed-off-by: Lang Yu <Lang.Yu@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
2023-08-30 15:00:12 -04:00
Evan Quan
d386f64588
drm/amdgpu: enable clock gating for HDP 6.0
...
Enable HDP 6.0 clock gating.
Signed-off-by: Evan Quan <evan.quan@amd.com >
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
2022-05-05 16:51:21 -04:00
Likun Gao
563fcfbf31
drm/amdgpu: add hdp version 6 functions
...
Unify hdp related function into hdp structure for hdp version 6.
V2: Remove hdp invalidate function as hdp v6 doesn't have read cache.
Signed-off-by: Likun Gao <Likun.Gao@amd.com >
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com >
Signed-off-by: Alex Deucher <alexander.deucher@amd.com >
2022-05-04 09:53:58 -04:00
