[Intel-gfx] [PATCH 07/30] drm/i915: Drop remaining pre-Ironlake code from ironlake_crtc_mode_set().
Chris Wilson
chris at chris-wilson.co.uk
Tue Apr 12 22:31:35 CEST 2011
From: Eric Anholt <eric at anholt.net>
Signed-off-by: Eric Anholt <eric at anholt.net>
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/intel_display.c | 119 ++++++++++-----------------------
1 files changed, 36 insertions(+), 83 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a8497e5..428fcd2 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4922,7 +4922,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
int refclk, num_connectors = 0;
intel_clock_t clock, reduced_clock;
u32 dpll, fp = 0, fp2 = 0, dspcntr, pipeconf;
- bool ok, has_reduced_clock = false, is_sdvo = false, is_dvo = false;
+ bool ok, has_reduced_clock = false, is_sdvo = false;
bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false;
struct intel_encoder *has_edp_encoder = NULL;
struct drm_mode_config *mode_config = &dev->mode_config;
@@ -4948,9 +4948,6 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
if (encoder->needs_tv_clock)
is_tv = true;
break;
- case INTEL_OUTPUT_DVO:
- is_dvo = true;
- break;
case INTEL_OUTPUT_TVOUT:
is_tv = true;
break;
@@ -4972,13 +4969,11 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
refclk = dev_priv->lvds_ssc_freq * 1000;
DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
refclk / 1000);
- } else if (!IS_GEN2(dev)) {
+ } else {
refclk = 96000;
if (!has_edp_encoder ||
intel_encoder_is_pch_edp(&has_edp_encoder->base))
refclk = 120000; /* 120Mhz refclk */
- } else {
- refclk = 48000;
}
/*
@@ -5167,17 +5162,10 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
udelay(200);
}
- if (IS_PINEVIEW(dev)) {
- fp = (1 << clock.n) << 16 | clock.m1 << 8 | clock.m2;
- if (has_reduced_clock)
- fp2 = (1 << reduced_clock.n) << 16 |
- reduced_clock.m1 << 8 | reduced_clock.m2;
- } else {
- fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
- if (has_reduced_clock)
- fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 |
- reduced_clock.m2;
- }
+ fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
+ if (has_reduced_clock)
+ fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 |
+ reduced_clock.m2;
/* Enable autotuning of the PLL clock (if permissible) */
factor = 21;
@@ -5194,59 +5182,38 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
dpll = 0;
- if (!IS_GEN2(dev)) {
- if (is_lvds)
- dpll |= DPLLB_MODE_LVDS;
- else
- dpll |= DPLLB_MODE_DAC_SERIAL;
- if (is_sdvo) {
- int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
- if (pixel_multiplier > 1) {
- if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
- dpll |= (pixel_multiplier - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
- else
- dpll |= (pixel_multiplier - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
- }
- dpll |= DPLL_DVO_HIGH_SPEED;
+ if (is_lvds)
+ dpll |= DPLLB_MODE_LVDS;
+ else
+ dpll |= DPLLB_MODE_DAC_SERIAL;
+ if (is_sdvo) {
+ int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
+ if (pixel_multiplier > 1) {
+ dpll |= (pixel_multiplier - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
}
- if (is_dp || intel_encoder_is_pch_edp(&has_edp_encoder->base))
- dpll |= DPLL_DVO_HIGH_SPEED;
+ dpll |= DPLL_DVO_HIGH_SPEED;
+ }
+ if (is_dp || intel_encoder_is_pch_edp(&has_edp_encoder->base))
+ dpll |= DPLL_DVO_HIGH_SPEED;
- /* compute bitmask from p1 value */
- if (IS_PINEVIEW(dev))
- dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW;
- else {
- dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
- /* also FPA1 */
- dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
- if (IS_G4X(dev) && has_reduced_clock)
- dpll |= (1 << (reduced_clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
- }
- switch (clock.p2) {
- case 5:
- dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
- break;
- case 7:
- dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7;
- break;
- case 10:
- dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10;
- break;
- case 14:
- dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
- break;
- }
- } else {
- if (is_lvds) {
- dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
- } else {
- if (clock.p1 == 2)
- dpll |= PLL_P1_DIVIDE_BY_TWO;
- else
- dpll |= (clock.p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT;
- if (clock.p2 == 4)
- dpll |= PLL_P2_DIVIDE_BY_4;
- }
+ /* compute bitmask from p1 value */
+ dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
+ /* also FPA1 */
+ dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
+
+ switch (clock.p2) {
+ case 5:
+ dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
+ break;
+ case 7:
+ dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7;
+ break;
+ case 10:
+ dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10;
+ break;
+ case 14:
+ dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
+ break;
}
if (is_sdvo && is_tv)
@@ -5266,20 +5233,6 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
/* Set up the display plane register */
dspcntr = DISPPLANE_GAMMA_ENABLE;
- if (pipe == 0 && INTEL_INFO(dev)->gen < 4) {
- /* Enable pixel doubling when the dot clock is > 90% of the (display)
- * core speed.
- *
- * XXX: No double-wide on 915GM pipe B. Is that the only reason for the
- * pipe == 0 check?
- */
- if (mode->clock >
- dev_priv->display.get_display_clock_speed(dev) * 9 / 10)
- pipeconf |= PIPECONF_DOUBLE_WIDE;
- else
- pipeconf &= ~PIPECONF_DOUBLE_WIDE;
- }
-
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
drm_mode_debug_printmodeline(mode);
--
1.7.4.1
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