O 03/20, Randy Dunlap wrote: > > > On 3/20/23 16:46, Melissa Wen wrote: > > On 03/17, Lee Jones wrote: > >> Fixes the following W=1 kernel build warning(s): > >> > >> drivers/gpu/drm/vkms/vkms_composer.c:41: warning: Function parameter or member 'frame_info' not described in 'pre_mul_alpha_blend' > >> drivers/gpu/drm/vkms/vkms_composer.c:41: warning: Excess function parameter 'src_frame_info' description in 'pre_mul_alpha_blend' > >> drivers/gpu/drm/vkms/vkms_composer.c:72: warning: Cannot understand * @wb_frame_info: The writeback frame buffer metadata > >> > >> Cc: Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx> > >> Cc: Melissa Wen <melissa.srw@xxxxxxxxx> > >> Cc: Haneen Mohammed <hamohammed.sa@xxxxxxxxx> > >> Cc: Daniel Vetter <daniel@xxxxxxxx> > >> Cc: David Airlie <airlied@xxxxxxxxx> > >> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > >> Signed-off-by: Lee Jones <lee@xxxxxxxxxx> > >> --- > >> drivers/gpu/drm/vkms/vkms_composer.c | 6 ++++-- > >> 1 file changed, 4 insertions(+), 2 deletions(-) > >> > >> diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c > >> index 8e53fa80742b2..41668eedf4272 100644 > >> --- a/drivers/gpu/drm/vkms/vkms_composer.c > >> +++ b/drivers/gpu/drm/vkms/vkms_composer.c > >> @@ -22,7 +22,7 @@ static u16 pre_mul_blend_channel(u16 src, u16 dst, u16 alpha) > >> > >> /** > >> * pre_mul_alpha_blend - alpha blending equation > >> - * @src_frame_info: source framebuffer's metadata > >> + * @frame_info: source framebuffer's metadata > >> * @stage_buffer: The line with the pixels from src_plane > >> * @output_buffer: A line buffer that receives all the blends output > >> * > >> @@ -69,11 +69,13 @@ static void fill_background(const struct pixel_argb_u16 *background_color, > >> } > >> > >> /** > >> - * @wb_frame_info: The writeback frame buffer metadata > >> + * blend > > As we are already here: > > * blend - blend pixels from a given row and calculate crc > > * blend: blend pixels from a given row and calculate CRC > > preferably. Hmm.. I didn't get the colon suggestion. This first line is a brief description of the function blend(), so I understand that a more accurate doc standard is: blend() - Blend pixels from a given row and calculate crc Thanks, Melissa > > > Reviewed-by: Melissa Wen <mwen@xxxxxxxxxx> > > > >> + * @wb: The writeback frame buffer metadata > >> * @crtc_state: The crtc state > >> * @crc32: The crc output of the final frame > >> * @output_buffer: A buffer of a row that will receive the result of the blend(s) > >> * @stage_buffer: The line with the pixels from plane being blend to the output > >> + * @row_size: Size of memory taken up by row data (line_width * pixel_size) > >> * > >> * This function blends the pixels (Using the `pre_mul_alpha_blend`) > >> * from all planes, calculates the crc32 of the output from the former step, > >> -- > >> 2.40.0.rc1.284.g88254d51c5-goog > >> > > -- > ~Randy
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