On BCM2711, the HDMI_CSC_CTL register value has been hardcoded to an opaque value. Let's replace it with properly defined values.
Acked-by: Thomas Zimmermann tzimmermann@suse.de Signed-off-by: Maxime Ripard maxime@cerno.tech --- drivers/gpu/drm/vc4/vc4_hdmi.c | 5 ++--- drivers/gpu/drm/vc4/vc4_regs.h | 3 +++ 2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 0f8b1e907fae..682c3c907cbe 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -779,9 +779,8 @@ static void vc5_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi, const struct drm_display_mode *mode) { unsigned long flags; - u32 csc_ctl; - - csc_ctl = 0x07; /* RGB_CONVERT_MODE = custom matrix, || USE_RGB_TO_YCBCR */ + u32 csc_ctl = VC5_MT_CP_CSC_CTL_ENABLE | VC4_SET_FIELD(VC4_HD_CSC_CTL_MODE_CUSTOM, + VC5_MT_CP_CSC_CTL_MODE);
spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h index 7538b84a6dca..33410718089e 100644 --- a/drivers/gpu/drm/vc4/vc4_regs.h +++ b/drivers/gpu/drm/vc4/vc4_regs.h @@ -774,6 +774,9 @@ enum { # define VC4_HD_CSC_CTL_RGB2YCC BIT(1) # define VC4_HD_CSC_CTL_ENABLE BIT(0)
+# define VC5_MT_CP_CSC_CTL_ENABLE BIT(2) +# define VC5_MT_CP_CSC_CTL_MODE_MASK VC4_MASK(1, 0) + # define VC4_DVP_HT_CLOCK_STOP_PIXEL BIT(1)
/* HVS display list information. */