From 1b4d7d75ccff38008ccd40f8e2d74e33a087caaa Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 15 Oct 2009 01:33:35 -0400 Subject: [PATCH] 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 Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_legacy_crtc.c | 3 +++ drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 10 +++++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index d22a195..8d0b7aa 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -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; diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index 3a75b5b..0038212 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -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; -- 2.7.4