summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/gpu/drm/i915/intel_display.c155
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h12
2 files changed, 95 insertions, 72 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f3beee6e2c11..77231e31b731 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4138,37 +4138,38 @@ static int i9xx_get_refclk(struct drm_crtc *crtc, int num_connectors)
return refclk;
}
-static void i9xx_adjust_sdvo_tv_clock(struct drm_display_mode *adjusted_mode,
- intel_clock_t *clock)
+static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc *crtc)
{
+ unsigned dotclock = crtc->config.adjusted_mode.clock;
+ struct dpll *clock = &crtc->config.dpll;
+
/* SDVO TV has fixed PLL values depend on its clock range,
this mirrors vbios setting. */
- if (adjusted_mode->clock >= 100000
- && adjusted_mode->clock < 140500) {
+ if (dotclock >= 100000 && dotclock < 140500) {
clock->p1 = 2;
clock->p2 = 10;
clock->n = 3;
clock->m1 = 16;
clock->m2 = 8;
- } else if (adjusted_mode->clock >= 140500
- && adjusted_mode->clock <= 200000) {
+ } else if (dotclock >= 140500 && dotclock <= 200000) {
clock->p1 = 1;
clock->p2 = 10;
clock->n = 6;
clock->m1 = 12;
clock->m2 = 8;
}
+
+ crtc->config.clock_set = true;
}
-static void i9xx_update_pll_dividers(struct drm_crtc *crtc,
- intel_clock_t *clock,
+static void i9xx_update_pll_dividers(struct intel_crtc *crtc,
intel_clock_t *reduced_clock)
{
- struct drm_device *dev = crtc->dev;
+ struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int pipe = intel_crtc->pipe;
+ int pipe = crtc->pipe;
u32 fp, fp2 = 0;
+ struct dpll *clock = &crtc->config.dpll;
if (IS_PINEVIEW(dev)) {
fp = (1 << clock->n) << 16 | clock->m1 << 8 | clock->m2;
@@ -4184,11 +4185,11 @@ static void i9xx_update_pll_dividers(struct drm_crtc *crtc,
I915_WRITE(FP0(pipe), fp);
- intel_crtc->lowfreq_avail = false;
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
+ crtc->lowfreq_avail = false;
+ if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) &&
reduced_clock && i915_powersave) {
I915_WRITE(FP1(pipe), fp2);
- intel_crtc->lowfreq_avail = true;
+ crtc->lowfreq_avail = true;
} else {
I915_WRITE(FP1(pipe), fp);
}
@@ -4202,14 +4203,11 @@ static void intel_dp_set_m_n(struct intel_crtc *crtc)
intel_cpu_transcoder_set_m_n(crtc, &crtc->config.dp_m_n);
}
-static void vlv_update_pll(struct drm_crtc *crtc,
- intel_clock_t *clock, intel_clock_t *reduced_clock,
- int num_connectors)
+static void vlv_update_pll(struct intel_crtc *crtc)
{
- struct drm_device *dev = crtc->dev;
+ struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int pipe = intel_crtc->pipe;
+ int pipe = crtc->pipe;
u32 dpll, mdiv, pdiv;
u32 bestn, bestm1, bestm2, bestp1, bestp2;
bool is_sdvo;
@@ -4217,8 +4215,8 @@ static void vlv_update_pll(struct drm_crtc *crtc,
mutex_lock(&dev_priv->dpio_lock);
- is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ||
- intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI);
+ is_sdvo = intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_SDVO) ||
+ intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI);
dpll = DPLL_VGA_MODE_DIS;
dpll |= DPLL_EXT_BUFFER_ENABLE_VLV;
@@ -4228,11 +4226,11 @@ static void vlv_update_pll(struct drm_crtc *crtc,
I915_WRITE(DPLL(pipe), dpll);
POSTING_READ(DPLL(pipe));
- bestn = clock->n;
- bestm1 = clock->m1;
- bestm2 = clock->m2;
- bestp1 = clock->p1;
- bestp2 = clock->p2;
+ bestn = crtc->config.dpll.n;
+ bestm1 = crtc->config.dpll.m1;
+ bestm2 = crtc->config.dpll.m2;
+ bestp1 = crtc->config.dpll.p1;
+ bestp2 = crtc->config.dpll.p2;
/*
* In Valleyview PLL and program lane counter registers are exposed
@@ -4264,8 +4262,8 @@ static void vlv_update_pll(struct drm_crtc *crtc,
intel_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x620);
- if (intel_crtc->config.has_dp_encoder)
- intel_dp_set_m_n(intel_crtc);
+ if (crtc->config.has_dp_encoder)
+ intel_dp_set_m_n(crtc);
I915_WRITE(DPLL(pipe), dpll);
@@ -4276,8 +4274,8 @@ static void vlv_update_pll(struct drm_crtc *crtc,
temp = 0;
if (is_sdvo) {
temp = 0;
- if (intel_crtc->config.pixel_multiplier > 1) {
- temp = (intel_crtc->config.pixel_multiplier - 1)
+ if (crtc->config.pixel_multiplier > 1) {
+ temp = (crtc->config.pixel_multiplier - 1)
<< DPLL_MD_UDI_MULTIPLIER_SHIFT;
}
}
@@ -4285,16 +4283,15 @@ static void vlv_update_pll(struct drm_crtc *crtc,
POSTING_READ(DPLL_MD(pipe));
/* Now program lane control registers */
- if(intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)
- || intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI))
- {
+ if(intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)
+ || intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI)) {
temp = 0x1000C4;
if(pipe == 1)
temp |= (1 << 21);
intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL1, temp);
}
- if(intel_pipe_has_type(crtc,INTEL_OUTPUT_EDP))
- {
+
+ if(intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP)) {
temp = 0x1000C4;
if(pipe == 1)
temp |= (1 << 21);
@@ -4304,39 +4301,39 @@ static void vlv_update_pll(struct drm_crtc *crtc,
mutex_unlock(&dev_priv->dpio_lock);
}
-static void i9xx_update_pll(struct drm_crtc *crtc,
- intel_clock_t *clock, intel_clock_t *reduced_clock,
+static void i9xx_update_pll(struct intel_crtc *crtc,
+ intel_clock_t *reduced_clock,
int num_connectors)
{
- struct drm_device *dev = crtc->dev;
+ struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *encoder;
- int pipe = intel_crtc->pipe;
+ int pipe = crtc->pipe;
u32 dpll;
bool is_sdvo;
+ struct dpll *clock = &crtc->config.dpll;
- i9xx_update_pll_dividers(crtc, clock, reduced_clock);
+ i9xx_update_pll_dividers(crtc, reduced_clock);
- is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ||
- intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI);
+ is_sdvo = intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_SDVO) ||
+ intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI);
dpll = DPLL_VGA_MODE_DIS;
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
+ if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS))
dpll |= DPLLB_MODE_LVDS;
else
dpll |= DPLLB_MODE_DAC_SERIAL;
if (is_sdvo) {
- if ((intel_crtc->config.pixel_multiplier > 1) &&
+ if ((crtc->config.pixel_multiplier > 1) &&
(IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))) {
- dpll |= (intel_crtc->config.pixel_multiplier - 1)
+ dpll |= (crtc->config.pixel_multiplier - 1)
<< SDVO_MULTIPLIER_SHIFT_HIRES;
}
dpll |= DPLL_DVO_HIGH_SPEED;
}
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT))
+ if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT))
dpll |= DPLL_DVO_HIGH_SPEED;
/* compute bitmask from p1 value */
@@ -4364,13 +4361,13 @@ static void i9xx_update_pll(struct drm_crtc *crtc,
if (INTEL_INFO(dev)->gen >= 4)
dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
- if (is_sdvo && intel_pipe_has_type(crtc, INTEL_OUTPUT_TVOUT))
+ if (is_sdvo && intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_TVOUT))
dpll |= PLL_REF_INPUT_TVCLKINBC;
- else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_TVOUT))
+ else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_TVOUT))
/* XXX: just matching BIOS for now */
/* dpll |= PLL_REF_INPUT_TVCLKINBC; */
dpll |= 3;
- else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
+ else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2)
dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
else
@@ -4381,12 +4378,12 @@ static void i9xx_update_pll(struct drm_crtc *crtc,
POSTING_READ(DPLL(pipe));
udelay(150);
- for_each_encoder_on_crtc(dev, crtc, encoder)
+ for_each_encoder_on_crtc(dev, &crtc->base, encoder)
if (encoder->pre_pll_enable)
encoder->pre_pll_enable(encoder);
- if (intel_crtc->config.has_dp_encoder)
- intel_dp_set_m_n(intel_crtc);
+ if (crtc->config.has_dp_encoder)
+ intel_dp_set_m_n(crtc);
I915_WRITE(DPLL(pipe), dpll);
@@ -4398,8 +4395,8 @@ static void i9xx_update_pll(struct drm_crtc *crtc,
u32 temp = 0;
if (is_sdvo) {
temp = 0;
- if (intel_crtc->config.pixel_multiplier > 1) {
- temp = (intel_crtc->config.pixel_multiplier - 1)
+ if (crtc->config.pixel_multiplier > 1) {
+ temp = (crtc->config.pixel_multiplier - 1)
<< DPLL_MD_UDI_MULTIPLIER_SHIFT;
}
}
@@ -4414,23 +4411,23 @@ static void i9xx_update_pll(struct drm_crtc *crtc,
}
}
-static void i8xx_update_pll(struct drm_crtc *crtc,
+static void i8xx_update_pll(struct intel_crtc *crtc,
struct drm_display_mode *adjusted_mode,
- intel_clock_t *clock, intel_clock_t *reduced_clock,
+ intel_clock_t *reduced_clock,
int num_connectors)
{
- struct drm_device *dev = crtc->dev;
+ struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_encoder *encoder;
- int pipe = intel_crtc->pipe;
+ int pipe = crtc->pipe;
u32 dpll;
+ struct dpll *clock = &crtc->config.dpll;
- i9xx_update_pll_dividers(crtc, clock, reduced_clock);
+ i9xx_update_pll_dividers(crtc, reduced_clock);
dpll = DPLL_VGA_MODE_DIS;
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS)) {
dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
} else {
if (clock->p1 == 2)
@@ -4441,7 +4438,7 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
dpll |= PLL_P2_DIVIDE_BY_4;
}
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
+ if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2)
dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
else
@@ -4452,7 +4449,7 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
POSTING_READ(DPLL(pipe));
udelay(150);
- for_each_encoder_on_crtc(dev, crtc, encoder)
+ for_each_encoder_on_crtc(dev, &crtc->base, encoder)
if (encoder->pre_pll_enable)
encoder->pre_pll_enable(encoder);
@@ -4599,20 +4596,26 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
&clock,
&reduced_clock);
}
+ /* Compat-code for transition, will disappear. */
+ if (!intel_crtc->config.clock_set) {
+ intel_crtc->config.dpll.n = clock.n;
+ intel_crtc->config.dpll.m1 = clock.m1;
+ intel_crtc->config.dpll.m2 = clock.m2;
+ intel_crtc->config.dpll.p1 = clock.p1;
+ intel_crtc->config.dpll.p2 = clock.p2;
+ }
if (is_sdvo && is_tv)
- i9xx_adjust_sdvo_tv_clock(adjusted_mode, &clock);
+ i9xx_adjust_sdvo_tv_clock(intel_crtc);
if (IS_GEN2(dev))
- i8xx_update_pll(crtc, adjusted_mode, &clock,
+ i8xx_update_pll(intel_crtc, adjusted_mode,
has_reduced_clock ? &reduced_clock : NULL,
num_connectors);
else if (IS_VALLEYVIEW(dev))
- vlv_update_pll(crtc, &clock,
- has_reduced_clock ? &reduced_clock : NULL,
- num_connectors);
+ vlv_update_pll(intel_crtc);
else
- i9xx_update_pll(crtc, &clock,
+ i9xx_update_pll(intel_crtc,
has_reduced_clock ? &reduced_clock : NULL,
num_connectors);
@@ -5280,7 +5283,7 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc,
}
if (is_sdvo && is_tv)
- i9xx_adjust_sdvo_tv_clock(adjusted_mode, clock);
+ i9xx_adjust_sdvo_tv_clock(to_intel_crtc(crtc));
return true;
}
@@ -5584,6 +5587,14 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
DRM_ERROR("Couldn't find PLL settings for mode!\n");
return -EINVAL;
}
+ /* Compat-code for transition, will disappear. */
+ if (!intel_crtc->config.clock_set) {
+ intel_crtc->config.dpll.n = clock.n;
+ intel_crtc->config.dpll.m1 = clock.m1;
+ intel_crtc->config.dpll.m2 = clock.m2;
+ intel_crtc->config.dpll.p1 = clock.p1;
+ intel_crtc->config.dpll.p2 = clock.p2;
+ }
/* Ensure that the cursor is valid for the new mode before changing... */
intel_crtc_update_cursor(crtc, true);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5cf521ba6285..d7bd031dd642 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -194,6 +194,18 @@ struct intel_crtc_config {
* accordingly. */
bool has_dp_encoder;
bool dither;
+
+ /* Controls for the clock computation, to override various stages. */
+ bool clock_set;
+
+ /* Settings for the intel dpll used on pretty much everything but
+ * haswell. */
+ struct dpll {
+ unsigned n;
+ unsigned m1, m2;
+ unsigned p1, p2;
+ } dpll;
+
int pipe_bpp;
struct intel_link_m_n dp_m_n;
/**
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-25 13:43:00 +0000