From: Alex Deucher Date: Thu, 11 Sep 2025 14:33:39 +0000 (-0400) Subject: drm/amdgpu/sdma5.2: adjust SDMA limits X-Git-Tag: v7.1-rc1~167^2~31^2~88 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a927070b057711bbfd8c85bfa18cfb20da543c7c;p=thirdparty%2Fkernel%2Flinux.git drm/amdgpu/sdma5.2: adjust SDMA limits SDMA 5.2.x has increased transfer limits. v2: fix harder, use shifts to make it more obvious v3: align const fill with PAL limits v4: re-align with hw limits Cc: Vitaly Prosyak Reviewed-by: Vitaly Prosyak Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index 0a8269795241d..b4fb90cc8f7d9 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -2045,11 +2045,11 @@ static void sdma_v5_2_emit_fill_buffer(struct amdgpu_ib *ib, } static const struct amdgpu_buffer_funcs sdma_v5_2_buffer_funcs = { - .copy_max_bytes = 0x400000, + .copy_max_bytes = 1 << 30, .copy_num_dw = 7, .emit_copy_buffer = sdma_v5_2_emit_copy_buffer, - .fill_max_bytes = 0x400000, + .fill_max_bytes = 1 << 30, /* HW supports 1 << 30, but PAL uses 1 << 22 */ .fill_num_dw = 5, .emit_fill_buffer = sdma_v5_2_emit_fill_buffer, };