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drm/amdgpu/gmc8: drop fb location programming

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No need to do this as the vbios does this for us.  As such
we no longer need to stop the mc during init.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-11-01 13:33:28 -04:00
parent ba3a5b83dd
commit cad81e34a8
1 changed files with 0 additions and 13 deletions
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13
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
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@ -428,7 +428,6 @@ static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev,
*/
static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
{
struct amdgpu_mode_mc_save save;
u32 tmp;
int i, j;
@ -442,10 +441,6 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
}
WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
if (adev->mode_info.num_crtc)
amdgpu_display_set_vga_render_state(adev, false);
gmc_v8_0_mc_stop(adev, &save);
if (gmc_v8_0_wait_for_idle((void *)adev)) {
dev_warn(adev->dev, "Wait for MC idle timedout !\n");
}
@ -456,20 +451,12 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
adev->mc.vram_end >> 12);
WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
adev->vram_scratch.gpu_addr >> 12);
tmp = ((adev->mc.vram_end >> 24) & 0xFFFF) << 16;
tmp |= ((adev->mc.vram_start >> 24) & 0xFFFF);
WREG32(mmMC_VM_FB_LOCATION, tmp);
/* XXX double check these! */
WREG32(mmHDP_NONSURFACE_BASE, (adev->mc.vram_start >> 8));
WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
WREG32(mmMC_VM_AGP_BASE, 0);
WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
if (gmc_v8_0_wait_for_idle((void *)adev)) {
dev_warn(adev->dev, "Wait for MC idle timedout !\n");
}
gmc_v8_0_mc_resume(adev, &save);
WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);