From: Thomas Zimmermann tzimmermann@suse.de
[ Upstream commit be729f9de6c64240645dc80a24162ac4d3fe00a8 ]
Remove psb_fbdev_fb_setcolreg(), which hasn't been called in almost a decade.
Gma500 commit 4d8d096e9ae8 ("gma500: introduce the framebuffer support code") added the helper psb_fbdev_fb_setcolreg() for setting the fbdev palette via fbdev's fb_setcolreg callback. Later commit 3da6c2f3b730 ("drm/gma500: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops") set several default helpers for fbdev emulation, including fb_setcmap.
The fbdev subsystem always prefers fb_setcmap over fb_setcolreg. [1] Hence, the gma500 code is no longer in use and gma500 has been using drm_fb_helper_setcmap() for several years without issues.
Fixes: 3da6c2f3b730 ("drm/gma500: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops") Cc: Patrik Jakobsson patrik.r.jakobsson@gmail.com Cc: Stefan Christ contact@stefanchrist.eu Cc: Daniel Vetter daniel.vetter@ffwll.ch Cc: dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org # v4.10+ Link: https://elixir.bootlin.com/linux/v6.16.9/source/drivers/video/fbdev/core/fbc... # [1] Signed-off-by: Thomas Zimmermann tzimmermann@suse.de Acked-by: Patrik Jakobsson patrik.r.jakobsson@gmail.com Link: https://lore.kernel.org/r/20250929082338.18845-1-tzimmermann@suse.de [ adapted file path from fbdev.c to framebuffer.c and removed fb_setcolreg from three fb_ops structures ] Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/gma500/framebuffer.c | 44 ---------------------------- 1 file changed, 44 deletions(-)
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 6ef4ea07d1bb..c8db96b41dfa 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -34,47 +34,6 @@ static const struct drm_framebuffer_funcs psb_fb_funcs = { .create_handle = drm_gem_fb_create_handle, };
-#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) - -static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - struct drm_fb_helper *fb_helper = info->par; - struct drm_framebuffer *fb = fb_helper->fb; - uint32_t v; - - if (!fb) - return -ENOMEM; - - if (regno > 255) - return 1; - - red = CMAP_TOHW(red, info->var.red.length); - blue = CMAP_TOHW(blue, info->var.blue.length); - green = CMAP_TOHW(green, info->var.green.length); - transp = CMAP_TOHW(transp, info->var.transp.length); - - v = (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset) | - (transp << info->var.transp.offset); - - if (regno < 16) { - switch (fb->format->cpp[0] * 8) { - case 16: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - case 24: - case 32: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - } - } - - return 0; -} - static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) { struct drm_fb_helper *fb_helper = info->par; @@ -167,7 +126,6 @@ static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) static const struct fb_ops psbfb_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, - .fb_setcolreg = psbfb_setcolreg, .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = psbfb_copyarea, .fb_imageblit = drm_fb_helper_cfb_imageblit, @@ -178,7 +136,6 @@ static const struct fb_ops psbfb_ops = { static const struct fb_ops psbfb_roll_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, - .fb_setcolreg = psbfb_setcolreg, .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = drm_fb_helper_cfb_copyarea, .fb_imageblit = drm_fb_helper_cfb_imageblit, @@ -189,7 +146,6 @@ static const struct fb_ops psbfb_roll_ops = { static const struct fb_ops psbfb_unaccel_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, - .fb_setcolreg = psbfb_setcolreg, .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = drm_fb_helper_cfb_copyarea, .fb_imageblit = drm_fb_helper_cfb_imageblit,