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| author | Alex Deucher <alexander.deucher@amd.com> | 2017-07-25 05:05:20 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-25 22:37:20 +0200 |
| commit | 2e2bfd90fa2b1be480a655337b2d25410323f43e (patch) | |
| tree | cb32077cccb17cffab3f164814837f3a11b04a06 /drivers/gpu | |
| parent | drm/amdgpu/gmc7: disable legacy vga features in gmc init (diff) | |
| download | linux-2e2bfd90fa2b1be480a655337b2d25410323f43e.tar.xz linux-2e2bfd90fa2b1be480a655337b2d25410323f43e.zip | |
drm/amdgpu/gmc8: disable legacy vga features in gmc init
Needs to be done when the MC is set up.
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index c9dfe15efed6..85c937b5e40b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -35,6 +35,9 @@ #include "oss/oss_3_0_d.h" #include "oss/oss_3_0_sh_mask.h" +#include "dce/dce_10_0_d.h" +#include "dce/dce_10_0_sh_mask.h" + #include "vid.h" #include "vi.h" @@ -438,6 +441,17 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev) if (gmc_v8_0_wait_for_idle((void *)adev)) { dev_warn(adev->dev, "Wait for MC idle timedout !\n"); } + if (adev->mode_info.num_crtc) { + /* Lockout access through VGA aperture*/ + tmp = RREG32(mmVGA_HDP_CONTROL); + tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); + WREG32(mmVGA_HDP_CONTROL, tmp); + + /* disable VGA render */ + tmp = RREG32(mmVGA_RENDER_CONTROL); + tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); + WREG32(mmVGA_RENDER_CONTROL, tmp); + } /* Update configuration */ WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, adev->mc.vram_start >> 12); |