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authorAlex Deucher <alexdeucher@gmail.com>2008-08-19 13:03:23 -0400
committerAlex Deucher <alexdeucher@gmail.com>2008-08-19 13:03:23 -0400
commitb2c19c788a570f28a22c236e60ee31f5c1e180af (patch)
treef8b4ad055ba3f4eb3d29f8ccede4f7aaab7ff569
parent232c369a05bbd9db17a0453380229c993cbbc8bd (diff)
radeon: legacy lvds updates
-rw-r--r--linux-core/radeon_legacy_encoders.c25
-rw-r--r--linux-core/radeon_reg.h3
2 files changed, 16 insertions, 12 deletions
diff --git a/linux-core/radeon_legacy_encoders.c b/linux-core/radeon_legacy_encoders.c
index a418d1d4..5b0047e4 100644
--- a/linux-core/radeon_legacy_encoders.c
+++ b/linux-core/radeon_legacy_encoders.c
@@ -223,19 +223,10 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
lvds_pll_cntl &= ~RADEON_LVDS_PLL_RESET;
RADEON_WRITE(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
- /* enable lvds, turn on voltage */
lvds_gen_cntl = RADEON_READ(RADEON_LVDS_GEN_CNTL);
- lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
- RADEON_WRITE(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
- udelay(radeon_encoder->panel_digon_delay * 1000);
-
- /* enable data */
+ lvds_gen_cntl |= (RADEON_LVDS_ON | RADEON_LVDS_EN | RADEON_LVDS_DIGON | RADEON_LVDS_BLON);
lvds_gen_cntl &= ~(RADEON_LVDS_DISPLAY_DIS);
- RADEON_WRITE(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
- udelay(radeon_encoder->panel_blon_delay * 1000);
-
- /* enable backlight */
- lvds_gen_cntl |= RADEON_LVDS_BLON;
+ udelay(radeon_encoder->panel_pwr_delay);
RADEON_WRITE(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
/* update bios scratch regs */
@@ -251,6 +242,7 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
lvds_gen_cntl = RADEON_READ(RADEON_LVDS_GEN_CNTL);
lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS;
lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN | RADEON_LVDS_DIGON);
+ udelay(radeon_encoder->panel_pwr_delay);
RADEON_WRITE(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
RADEON_WRITE_PLL(dev_priv, RADEON_PIXCLKS_CNTL, pixclks_cntl);
@@ -284,7 +276,7 @@ static void radeon_legacy_lvds_mode_set(struct drm_encoder *encoder,
struct drm_radeon_private *dev_priv = dev->dev_private;
struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
- uint32_t lvds_pll_cntl, lvds_gen_cntl;
+ uint32_t lvds_pll_cntl, lvds_gen_cntl, lvds_ss_gen_cntl;
DRM_DEBUG("\n");
@@ -322,6 +314,15 @@ static void radeon_legacy_lvds_mode_set(struct drm_encoder *encoder,
RADEON_WRITE(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
RADEON_WRITE(RADEON_LVDS_PLL_CNTL, lvds_pll_cntl);
+ lvds_ss_gen_cntl = RADEON_READ(RADEON_LVDS_SS_GEN_CNTL);
+ if (radeon_encoder->panel_digon_delay &&
+ radeon_encoder->panel_blon_delay) {
+ lvds_ss_gen_cntl &= ~((0xf << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
+ (0xf << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
+ lvds_ss_gen_cntl |= ((radeon_encoder->panel_digon_delay << RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) |
+ (radeon_encoder->panel_blon_delay << RADEON_LVDS_PWRSEQ_DELAY2_SHIFT));
+ }
+
if (dev_priv->chip_family == CHIP_RV410)
RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, 0);
}
diff --git a/linux-core/radeon_reg.h b/linux-core/radeon_reg.h
index b4f0ac08..e7f30817 100644
--- a/linux-core/radeon_reg.h
+++ b/linux-core/radeon_reg.h
@@ -1053,6 +1053,9 @@
# define R300_LVDS_SRC_SEL_CRTC1 (0 << 18)
# define R300_LVDS_SRC_SEL_CRTC2 (1 << 18)
# define R300_LVDS_SRC_SEL_RMX (2 << 18)
+#define RADEON_LVDS_SS_GEN_CNTL 0x02ec
+# define RADEON_LVDS_PWRSEQ_DELAY1_SHIFT 16
+# define RADEON_LVDS_PWRSEQ_DELAY2_SHIFT 20
#define RADEON_MAX_LATENCY 0x0f3f /* PCI */
#define RADEON_MC_AGP_LOCATION 0x014c