Declare constant LUT for bpp programming as static const. Removes mutable data from device structure.
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de Acked-by: Sam Ravnborg sam@ravnborg.org --- drivers/gpu/drm/mgag200/mgag200_drv.h | 2 -- drivers/gpu/drm/mgag200/mgag200_mode.c | 16 ++++++---------- 2 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index 75ae1809fb5a..f7a0537c0d0a 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -166,8 +166,6 @@ struct mga_device {
enum mga_type type;
- int bpp_shifts[4]; - int fb_mtrr;
union { diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 9d576240faed..3b3059f471c2 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1137,10 +1137,11 @@ static void mgag200_set_mode_regs(struct mga_device *mdev, WREG8(MGA_MISC_OUT, misc); }
-static u8 mgag200_get_bpp_shift(struct mga_device *mdev, - const struct drm_format_info *format) +static u8 mgag200_get_bpp_shift(const struct drm_format_info *format) { - return mdev->bpp_shifts[format->cpp[0] - 1]; + static const u8 bpp_shift[] = {0, 1, 0, 2}; + + return bpp_shift[format->cpp[0] - 1]; }
/* @@ -1152,7 +1153,7 @@ static u32 mgag200_calculate_offset(struct mga_device *mdev, const struct drm_framebuffer *fb) { u32 offset = fb->pitches[0] / fb->format->cpp[0]; - u8 bppshift = mgag200_get_bpp_shift(mdev, fb->format); + u8 bppshift = mgag200_get_bpp_shift(fb->format);
if (fb->format->cpp[0] * 8 == 24) offset = (offset * 3) >> (4 - bppshift); @@ -1189,7 +1190,7 @@ static void mgag200_set_format_regs(struct mga_device *mdev,
bpp = format->cpp[0] * 8;
- bppshift = mgag200_get_bpp_shift(mdev, format); + bppshift = mgag200_get_bpp_shift(format); switch (bpp) { case 24: scale = ((1 << bppshift) * 3) - 1; @@ -1699,11 +1700,6 @@ int mgag200_modeset_init(struct mga_device *mdev) size_t format_count = ARRAY_SIZE(mgag200_simple_display_pipe_formats); int ret;
- mdev->bpp_shifts[0] = 0; - mdev->bpp_shifts[1] = 1; - mdev->bpp_shifts[2] = 0; - mdev->bpp_shifts[3] = 2; - mgag200_init_regs(mdev);
ret = drmm_mode_config_init(dev);