From: Alex Deucher alexander.deucher@amd.com
The register bits changed on DCE8 compared to previous families.
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/atombios_encoders.c | 8 +++++++- drivers/gpu/drm/radeon/cik_reg.h | 3 +++ 2 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 4120d35..4439419 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1962,7 +1962,13 @@ atombios_apply_encoder_quirks(struct drm_encoder *encoder, /* set scaler clears this on some chips */ if (ASIC_IS_AVIVO(rdev) && (!(radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)))) { - if (ASIC_IS_DCE4(rdev)) { + if (ASIC_IS_DCE8(rdev)) { + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + WREG32(CIK_LB_DATA_FORMAT + radeon_crtc->crtc_offset, + CIK_INTERLEAVE_EN); + else + WREG32(CIK_LB_DATA_FORMAT + radeon_crtc->crtc_offset, 0); + } else if (ASIC_IS_DCE4(rdev)) { if (mode->flags & DRM_MODE_FLAG_INTERLACE) WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, EVERGREEN_INTERLEAVE_EN); diff --git a/drivers/gpu/drm/radeon/cik_reg.h b/drivers/gpu/drm/radeon/cik_reg.h index b96dac0..58b29b5 100644 --- a/drivers/gpu/drm/radeon/cik_reg.h +++ b/drivers/gpu/drm/radeon/cik_reg.h @@ -62,4 +62,7 @@ #define CIK_ALPHA_CONTROL 0x6af0 # define CIK_CURSOR_ALPHA_BLND_ENA (1 << 1)
+#define CIK_LB_DATA_FORMAT 0x6b00 +# define CIK_INTERLEAVE_EN (1 << 3) + #endif