The RN50 has a TV DAC but only a single CRTC. For load detection this
DAC is controlled by the primary CRTC.
Signed-off-by: Egbert Eich <eich@xxxxxxx>
---
drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 80 +++++++++++++---------
1 files changed, 47 insertions(+), 33 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index ef18569..10ff2c6 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -1421,9 +1421,9 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
- uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
+ uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl;
uint32_t gpiopad_a = 0, pixclks_cntl, tmp;
- uint32_t disp_output_cntl = 0, disp_hw_debug = 0, fp2_gen_cntl = 0;
+ uint32_t disp_output_cntl = 0, disp_hw_debug = 0, fp2_gen_cntl = 0, crtc_ext_cntl = 0;
enum drm_connector_status found = connector_status_disconnected;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv;
@@ -1462,15 +1462,20 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
/* save the regs we need */
pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
- if (ASIC_IS_R300(rdev)) {
- gpiopad_a = RREG32(RADEON_GPIOPAD_A);
- disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
- } else if (rdev->family == CHIP_R200) {
- fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
+
+ if (rdev->flags & RADEON_SINGLE_CRTC) {
+ crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
} else {
- disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
+ if (ASIC_IS_R300(rdev)) {
+ gpiopad_a = RREG32(RADEON_GPIOPAD_A);
+ disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL);
+ } else if (rdev->family == CHIP_R200) {
+ fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL);
+ } else {
+ disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
+ }
+ crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
}
- crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL);
dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
@@ -1479,24 +1484,29 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
| RADEON_PIX2CLK_DAC_ALWAYS_ONb);
WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp);
- tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
- tmp |= RADEON_CRTC2_CRT2_ON |
- (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
- WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
-
- if (ASIC_IS_R300(rdev)) {
- WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
- tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
- tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
- WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
- } else if (rdev->family == CHIP_R200) {
- tmp = fp2_gen_cntl & ~(R200_FP2_SOURCE_SEL_MASK |
- RADEON_FP2_DVO_RATE_SEL_SDR);
- tmp |= RADEON_DISP_TV_PATH_SRC_CRTC2;
- WREG32(RADEON_FP2_GEN_CNTL, tmp);
+ if (rdev->flags & RADEON_SINGLE_CRTC) {
+ tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON;
+ WREG32(RADEON_CRTC_EXT_CNTL, tmp);
} else {
- tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
- WREG32(RADEON_DISP_HW_DEBUG, tmp);
+ tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK;
+ tmp |= RADEON_CRTC2_CRT2_ON |
+ (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT);
+ WREG32(RADEON_CRTC2_GEN_CNTL, tmp);
+
+ if (ASIC_IS_R300(rdev)) {
+ WREG32_P(RADEON_GPIOPAD_A, 1, ~1);
+ tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK;
+ tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2;
+ WREG32(RADEON_DISP_OUTPUT_CNTL, tmp);
+ } else if (rdev->family == CHIP_R200) {
+ tmp = fp2_gen_cntl & ~(R200_FP2_SOURCE_SEL_MASK |
+ RADEON_FP2_DVO_RATE_SEL_SDR);
+ tmp |= RADEON_DISP_TV_PATH_SRC_CRTC2;
+ WREG32(RADEON_FP2_GEN_CNTL, tmp);
+ } else {
+ tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL;
+ WREG32(RADEON_DISP_HW_DEBUG, tmp);
+ }
}
tmp = RADEON_TV_DAC_NBLANK |
@@ -1541,15 +1551,19 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder
WREG32(RADEON_DAC_CNTL2, dac_cntl2);
WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl);
WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
- WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
- if (ASIC_IS_R300(rdev)) {
- WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
- WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
- } else if (rdev->family == CHIP_R200) {
- WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
+ if (rdev->flags & RADEON_SINGLE_CRTC) {
+ WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
} else {
- WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+ WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
+ if (ASIC_IS_R300(rdev)) {
+ WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl);
+ WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1);
+ } else if (rdev->family == CHIP_R200) {
+ WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
+ } else {
+ WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+ }
}
WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
--
1.7.6.3
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