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Re: [PATCH] fbdev: via: return an error when DMA copy times out To: Pengpeng Hou , Florian Tobias Schandinat Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20260624144313.79291-1-pengpeng@iscas.ac.cn> Content-Language: en-US From: Helge Deller Autocrypt: addr=deller@gmx.de; keydata= xsFNBF3Ia3MBEAD3nmWzMgQByYAWnb9cNqspnkb2GLVKzhoH2QD4eRpyDLA/3smlClbeKkWT HLnjgkbPFDmcmCz5V0Wv1mKYRClAHPCIBIJgyICqqUZo2qGmKstUx3pFAiztlXBANpRECgwJ r+8w6mkccOM9GhoPU0vMaD/UVJcJQzvrxVHO8EHS36aUkjKd6cOpdVbCt3qx8cEhCmaFEO6u CL+k5AZQoABbFQEBocZE1/lSYzaHkcHrjn4cQjc3CffXnUVYwlo8EYOtAHgMDC39s9a7S90L 69l6G73lYBD/Br5lnDPlG6dKfGFZZpQ1h8/x+Qz366Ojfq9MuuRJg7ZQpe6foiOtqwKym/zV dVvSdOOc5sHSpfwu5+BVAAyBd6hw4NddlAQUjHSRs3zJ9OfrEx2d3mIfXZ7+pMhZ7qX0Axlq Lq+B5cfLpzkPAgKn11tfXFxP+hcPHIts0bnDz4EEp+HraW+oRCH2m57Y9zhcJTOJaLw4YpTY GRUlF076vZ2Hz/xMEvIJddRGId7UXZgH9a32NDf+BUjWEZvFt1wFSW1r7zb7oGCwZMy2LI/G 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6/24/26 16:43, Pengpeng Hou wrote: > viafb_dma_copy_out_sg() logs a VIA DMA timeout when the DONE bit is not > set after the completion wait and grace delay, but still returns success > to the caller. >=20 > Preserve the existing cleanup sequence and return -ETIMEDOUT when the DM= A > engine did not report completion. >=20 > Signed-off-by: Pengpeng Hou > --- > drivers/video/fbdev/via/via-core.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) Note that the return value isn't checked by the caller. Nevertheless, it's a cleanup, so I applied it. Thanks! Helge