Commit 403475be authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/gmc6: fix DMA mask from 44 to 40 bits 

The DMA mask on SI parts is 40 bits not 44.  Copy
paste typo.

Fixes: 244511f3 ("drm/amdgpu: simplify and cleanup setting the dma mask")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1762


Acked-by: default avatarChristian König <christian.koenig@amd.com>
Tested-by: default avatarPaul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 139a3311

drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c

+2 −2
Original line number Diff line number Diff line
@@ -841,12 +841,12 @@ static int gmc_v6_0_sw_init(void *handle) 


	adev->gmc.mc_mask = 0xffffffffffULL;



	r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));

	r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));

	if (r) {

		dev_warn(adev->dev, "No suitable DMA available.\n");

		return r;

	}

	adev->need_swiotlb = drm_need_swiotlb(44);

	adev->need_swiotlb = drm_need_swiotlb(40);



	r = gmc_v6_0_init_microcode(adev);

	if (r) {