Add a helper function that computes the product of hdisplay and
vdisplay.
Signed-off-by: Jonathan Cavitt <[email protected]>
Cc: Matthew Auld <[email protected]>
Cc: Himal Prasad Ghimiray <[email protected]>
Cc: Matthew Brost <[email protected]>
---
drivers/gpu/drm/drm_gem_vram_helper.c | 2 +-
drivers/gpu/drm/drm_mipi_dbi.c | 2 +-
include/drm/drm_modes.h | 5 +++++
3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c
b/drivers/gpu/drm/drm_gem_vram_helper.c
index 90760d0ca071..4ac71c34f4c6 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -967,7 +967,7 @@ drm_vram_helper_mode_valid_internal(struct drm_device *dev,
max_fbpages = (vmm->vram_size / 2) >> PAGE_SHIFT;
- fbsize = mode->hdisplay * mode->vdisplay * max_bpp;
+ fbsize = drm_mode_display_size(mode) * max_bpp;
fbpages = DIV_ROUND_UP(fbsize, PAGE_SIZE);
if (fbpages > max_fbpages)
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index e33c78fc8fbd..54212bf85160 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -691,7 +691,7 @@ int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
const struct drm_simple_display_pipe_funcs *funcs,
const struct drm_display_mode *mode, unsigned int
rotation)
{
- size_t bufsize = mode->vdisplay * mode->hdisplay * sizeof(u16);
+ size_t bufsize = drm_mode_display_size(mode) * sizeof(u16);
dbidev->drm.mode_config.preferred_depth = 16;
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index b9bb92e4b029..775c94c55cda 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -572,4 +572,9 @@ struct drm_display_mode *
drm_mode_create_from_cmdline_mode(struct drm_device *dev,
struct drm_cmdline_mode *cmd);
+static inline u32 drm_mode_display_size(const struct drm_display_mode *mode)
+{
+ return mode->hdisplay * mode->vdisplay;
+}
+
#endif /* __DRM_MODES_H__ */
--
2.43.0
