drm/radeon: drop superflous AGP handling (82dd1809) · Commits · 戴 / test

The object flags created in radeon_ttm_placement_from_domain take care that we use the correct caching for AGP, this is just superflous. Signed-off-by:

Christian König <christian.koenig@amd.com> Reviewed-by:

Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/384336/?series=80346&rev=1

drivers/gpu/drm/radeon/radeon_ttm.c

+2 −19

Original line number	Diff line number	Diff line
		@@ -76,26 +76,9 @@ static int radeon_ttm_init_vram(struct radeon_device *rdev)

		static int radeon_ttm_init_gtt(struct radeon_device *rdev)
		{
		uint32_t available_caching, default_caching;

		available_caching = TTM_PL_MASK_CACHING;
		default_caching = TTM_PL_FLAG_CACHED;

		#if IS_ENABLED(CONFIG_AGP)
		if (rdev->flags & RADEON_IS_AGP) {
		if (!rdev->ddev->agp) {
		DRM_ERROR("AGP is not enabled\n");
		return -EINVAL;
		}
		available_caching = TTM_PL_FLAG_UNCACHED \|
		TTM_PL_FLAG_WC;
		default_caching = TTM_PL_FLAG_WC;
		}
		#endif

		return ttm_range_man_init(&rdev->mman.bdev, TTM_PL_TT,
		available_caching,
		default_caching, true,
		TTM_PL_MASK_CACHING,
		TTM_PL_FLAG_CACHED, true,
		rdev->mc.gtt_size >> PAGE_SHIFT);
		}

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