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Diffstat (limited to 'drivers/gpu/drm/sti/sti_mixer.c')
-rw-r--r--drivers/gpu/drm/sti/sti_mixer.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c
index 0182e9365004..49db835dce03 100644
--- a/drivers/gpu/drm/sti/sti_mixer.c
+++ b/drivers/gpu/drm/sti/sti_mixer.c
@@ -10,6 +10,11 @@
#include "sti_mixer.h"
#include "sti_vtg.h"
+/* Module parameter to set the background color of the mixer */
+static unsigned int bkg_color = 0x000000;
+MODULE_PARM_DESC(bkgcolor, "Value of the background color 0xRRGGBB");
+module_param_named(bkgcolor, bkg_color, int, 0644);
+
/* Identity: G=Y , B=Cb , R=Cr */
static const u32 mixerColorSpaceMatIdentity[] = {
0x10000000, 0x00000000, 0x10000000, 0x00001000,
@@ -58,7 +63,6 @@ const char *sti_mixer_to_str(struct sti_mixer *mixer)
return "<UNKNOWN MIXER>";
}
}
-EXPORT_SYMBOL(sti_mixer_to_str);
static inline u32 sti_mixer_reg_read(struct sti_mixer *mixer, u32 reg_id)
{
@@ -81,11 +85,9 @@ void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable)
}
static void sti_mixer_set_background_color(struct sti_mixer *mixer,
- u8 red, u8 green, u8 blue)
+ unsigned int rgb)
{
- u32 val = (red << 16) | (green << 8) | blue;
-
- sti_mixer_reg_write(mixer, GAM_MIXER_BKC, val);
+ sti_mixer_reg_write(mixer, GAM_MIXER_BKC, rgb);
}
static void sti_mixer_set_background_area(struct sti_mixer *mixer,
@@ -175,7 +177,7 @@ int sti_mixer_active_video_area(struct sti_mixer *mixer,
sti_mixer_reg_write(mixer, GAM_MIXER_AVO, ydo << 16 | xdo);
sti_mixer_reg_write(mixer, GAM_MIXER_AVS, yds << 16 | xds);
- sti_mixer_set_background_color(mixer, 0xFF, 0, 0);
+ sti_mixer_set_background_color(mixer, bkg_color);
sti_mixer_set_background_area(mixer, mode);
sti_mixer_set_background_status(mixer, true);