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/openbmc/linux/drivers/gpu/drm/amd/display/dc/dcn10/ |
H A D | dcn10_ipp.c | d3ec0562 Tue May 16 08:55:20 CDT 2017 Leo (Sunpeng) Li <sunpeng.li@amd.com> drm/amd/display: Fix dcn10 cursor set position hang
Calling dcn10_cursor_set_position() before dcn10_cursor_set_attributes() with invalid (0-value) attributes can cause the ASIC to hang. This fix checks that address.quadpart is non-zero within set_position before calling set_attributes.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> d3ec0562 Tue May 16 08:55:20 CDT 2017 Leo (Sunpeng) Li <sunpeng.li@amd.com> drm/amd/display: Fix dcn10 cursor set position hang Calling dcn10_cursor_set_position() before dcn10_cursor_set_attributes() with invalid (0-value) attributes can cause the ASIC to hang. This fix checks that address.quadpart is non-zero within set_position before calling set_attributes. Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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