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drm/radeon/kms: fix internal tmds setup on legacy display engine 

- crtc 0 routing was wrong
- need to clear various timing bits in FP_GEN_CNTL
- need to set FP_H/V2_SYNC_STRT_WID regs for crtc 1

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2009-10-15 01:33:35 -04:00 committed by Dave Airlie
parent 8c2a6d7304
commit 1b4d7d75cc
2 changed files with 12 additions and 1 deletions
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3
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
View File

@ -668,6 +668,9 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod
WREG32(RADEON_DISP2_MERGE_CNTL, disp2_merge_cntl);
WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
WREG32(RADEON_FP_H2_SYNC_STRT_WID, crtc_h_sync_strt_wid);
WREG32(RADEON_FP_V2_SYNC_STRT_WID, crtc_v_sync_strt_wid);
} else {
uint32_t crtc_gen_cntl;
uint32_t crtc_ext_cntl;

10
drivers/gpu/drm/radeon/radeon_legacy_encoders.c
View File

@ -542,6 +542,14 @@ static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder,
fp_gen_cntl &= ~(RADEON_FP_FPON | RADEON_FP_TMDS_EN);
fp_gen_cntl &= ~(RADEON_FP_RMX_HVSYNC_CONTROL_EN |
RADEON_FP_DFP_SYNC_SEL |
RADEON_FP_CRT_SYNC_SEL |
RADEON_FP_CRTC_LOCK_8DOT |
RADEON_FP_USE_SHADOW_EN |
RADEON_FP_CRTC_USE_SHADOW_VEND |
RADEON_FP_CRT_SYNC_ALT);
if (1) /* FIXME rgbBits == 8 */
fp_gen_cntl |= RADEON_FP_PANEL_FORMAT; /* 24 bit format */
else
@ -555,7 +563,7 @@ static void radeon_legacy_tmds_int_mode_set(struct drm_encoder *encoder,
else
fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
} else
fp_gen_cntl |= RADEON_FP_SEL_CRTC1;
fp_gen_cntl &= ~RADEON_FP_SEL_CRTC2;
} else {
if (ASIC_IS_R300(rdev) || rdev->family == CHIP_R200) {
fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;