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...ijingfeng at loongson.cn> Cc: Sui Jingfeng <sui.jingfeng at linux.dev> --- drivers/gpu/drm/loongson/lsdc_gem.c | 29 ++++++++--------------------- 1 file changed, 8 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/loongson/lsdc_gem.c b/drivers/gpu/drm/loongson/lsdc_gem.c index a720d8f53209..9f982b85301f 100644 --- a/drivers/gpu/drm/loongson/lsdc_gem.c +++ b/drivers/gpu/drm/loongson/lsdc_gem.c @@ -6,6 +6,7 @@ #include <linux/dma-buf.h> #include <drm/drm_debugfs.h> +#include <drm/drm_dumb_buffers.h> #include <drm/drm_file.h> #include <drm/drm_gem.h>...

Dumb-buffer pitch and size is specified by width, height, bits-per-pixel plus various hardware-specific alignments. The calculation of these values is inconsistent and duplicated among drivers. The results for formats with bpp < 8 are incorrect. This series fixes this for most drivers. Default scanline pitch and buffer size are now calculated with the existing 4CC helpers. There is a new