found = false;
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
- int lvds_reg;
-
- if (HAS_PCH_SPLIT(dev))
- lvds_reg = PCH_LVDS;
- else
- lvds_reg = LVDS;
if (intel_is_dual_link_lvds(dev))
clock.p2 = limit->p2.p2_fast;
else
intel_wait_for_vblank(dev, intel_crtc->pipe);
}
+static void ironlake_pfit_disable(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int pipe = crtc->pipe;
+
+ /* To avoid upsetting the power well on haswell only disable the pfit if
+ * it's in use. The hw state code will make sure we get this right. */
+ if (crtc->config.pch_pfit.size) {
+ I915_WRITE(PF_CTL(pipe), 0);
+ I915_WRITE(PF_WIN_POS(pipe), 0);
+ I915_WRITE(PF_WIN_SZ(pipe), 0);
+ }
+}
+
static void ironlake_crtc_disable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
intel_set_pch_fifo_underrun_reporting(dev, pipe, false);
intel_disable_pipe(dev_priv, pipe);
- /* Disable PF */
- I915_WRITE(PF_CTL(pipe), 0);
- I915_WRITE(PF_WIN_SZ(pipe), 0);
+ ironlake_pfit_disable(intel_crtc);
for_each_encoder_on_crtc(dev, crtc, encoder)
if (encoder->post_disable)
drm_vblank_off(dev, pipe);
intel_crtc_update_cursor(crtc, false);
- intel_disable_plane(dev_priv, plane, pipe);
-
+ /* FBC must be disabled before disabling the plane on HSW. */
if (dev_priv->cfb_plane == plane)
intel_disable_fbc(dev);
+ intel_disable_plane(dev_priv, plane, pipe);
+
if (intel_crtc->config.has_pch_encoder)
intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, false);
intel_disable_pipe(dev_priv, pipe);
intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
- /* XXX: Once we have proper panel fitter state tracking implemented with
- * hardware state read/check support we should switch to only disable
- * the panel fitter when we know it's used. */
- if (intel_display_power_enabled(dev,
- POWER_DOMAIN_PIPE_PANEL_FITTER(pipe))) {
- I915_WRITE(PF_CTL(pipe), 0);
- I915_WRITE(PF_WIN_SZ(pipe), 0);
- }
+ ironlake_pfit_disable(intel_crtc);
intel_ddi_disable_pipe_clock(intel_crtc);
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc_config *pipe_config = &crtc->config;
- if (!(intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) ||
- intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS)))
+ if (!crtc->config.gmch_pfit.control)
return;
WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE);
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- enum pipe pipe;
- uint32_t pctl = I915_READ(PFIT_CONTROL);
- assert_pipe_disabled(dev_priv, crtc->pipe);
+ if (!crtc->config.gmch_pfit.control)
+ return;
- if (INTEL_INFO(dev)->gen >= 4)
- pipe = (pctl & PFIT_PIPE_MASK) >> PFIT_PIPE_SHIFT;
- else
- pipe = PIPE_B;
+ assert_pipe_disabled(dev_priv, crtc->pipe);
- if (pipe == crtc->pipe) {
- DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", pctl);
- I915_WRITE(PFIT_CONTROL, 0);
- }
+ DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n",
+ I915_READ(PFIT_CONTROL));
+ I915_WRITE(PFIT_CONTROL, 0);
}
static void i9xx_crtc_disable(struct drm_crtc *crtc)
}
static void
-intel_reduce_ratio(uint32_t *num, uint32_t *den)
+intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den)
{
- while (*num > 0xffffff || *den > 0xffffff) {
+ while (*num > DATA_LINK_M_N_MASK ||
+ *den > DATA_LINK_M_N_MASK) {
*num >>= 1;
*den >>= 1;
}
}
+static void compute_m_n(unsigned int m, unsigned int n,
+ uint32_t *ret_m, uint32_t *ret_n)
+{
+ *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX);
+ *ret_m = div_u64((uint64_t) m * *ret_n, n);
+ intel_reduce_m_n_ratio(ret_m, ret_n);
+}
+
void
intel_link_compute_m_n(int bits_per_pixel, int nlanes,
int pixel_clock, int link_clock,
struct intel_link_m_n *m_n)
{
m_n->tu = 64;
- m_n->gmch_m = bits_per_pixel * pixel_clock;
- m_n->gmch_n = link_clock * nlanes * 8;
- intel_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);
- m_n->link_m = pixel_clock;
- m_n->link_n = link_clock;
- intel_reduce_ratio(&m_n->link_m, &m_n->link_n);
+
+ compute_m_n(bits_per_pixel * pixel_clock,
+ link_clock * nlanes * 8,
+ &m_n->gmch_m, &m_n->gmch_n);
+
+ compute_m_n(pixel_clock, link_clock,
+ &m_n->link_m, &m_n->link_n);
}
static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
{
if (i915_panel_use_ssc >= 0)
return i915_panel_use_ssc != 0;
- return dev_priv->lvds_use_ssc
+ return dev_priv->vbt.lvds_use_ssc
&& !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE);
}
refclk = vlv_get_refclk(crtc);
} else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
- refclk = dev_priv->lvds_ssc_freq * 1000;
+ refclk = dev_priv->vbt.lvds_ssc_freq * 1000;
DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
refclk / 1000);
} else if (!IS_GEN2(dev)) {
return refclk;
}
-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 (dotclock >= 100000 && dotclock < 140500) {
- clock->p1 = 2;
- clock->p2 = 10;
- clock->n = 3;
- clock->m1 = 16;
- clock->m2 = 8;
- } 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 uint32_t pnv_dpll_compute_fp(struct dpll *dpll)
{
return (1 << dpll->n) << 16 | dpll->m1 << 8 | dpll->m2;
if (INTEL_INFO(dev)->gen >= 4)
dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
- if (is_sdvo && intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_TVOUT))
+ if (crtc->config.sdvo_tv_clock)
dpll |= PLL_REF_INPUT_TVCLKINBC;
- 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->base, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2)
dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
int refclk, num_connectors = 0;
intel_clock_t clock, reduced_clock;
u32 dspcntr;
- bool ok, has_reduced_clock = false, is_sdvo = false;
- bool is_lvds = false, is_tv = false;
+ bool ok, has_reduced_clock = false;
+ bool is_lvds = false;
struct intel_encoder *encoder;
const intel_limit_t *limit;
int ret;
case INTEL_OUTPUT_LVDS:
is_lvds = true;
break;
- case INTEL_OUTPUT_SDVO:
- case INTEL_OUTPUT_HDMI:
- is_sdvo = true;
- if (encoder->needs_tv_clock)
- is_tv = true;
- break;
- case INTEL_OUTPUT_TVOUT:
- is_tv = true;
- break;
}
num_connectors++;
intel_crtc->config.dpll.p2 = clock.p2;
}
- if (is_sdvo && is_tv)
- i9xx_adjust_sdvo_tv_clock(intel_crtc);
-
if (IS_GEN2(dev))
i8xx_update_pll(intel_crtc, adjusted_mode,
has_reduced_clock ? &reduced_clock : NULL,
return ret;
}
+static void i9xx_get_pfit_config(struct intel_crtc *crtc,
+ struct intel_crtc_config *pipe_config)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ uint32_t tmp;
+
+ tmp = I915_READ(PFIT_CONTROL);
+
+ if (INTEL_INFO(dev)->gen < 4) {
+ if (crtc->pipe != PIPE_B)
+ return;
+
+ /* gen2/3 store dither state in pfit control, needs to match */
+ pipe_config->gmch_pfit.control = tmp & PANEL_8TO6_DITHER_ENABLE;
+ } else {
+ if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT))
+ return;
+ }
+
+ if (!(tmp & PFIT_ENABLE))
+ return;
+
+ pipe_config->gmch_pfit.control = I915_READ(PFIT_CONTROL);
+ pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS);
+ if (INTEL_INFO(dev)->gen < 5)
+ pipe_config->gmch_pfit.lvds_border_bits =
+ I915_READ(LVDS) & LVDS_BORDER_ENABLE;
+}
+
static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
struct intel_crtc_config *pipe_config)
{
intel_get_pipe_timings(crtc, pipe_config);
+ i9xx_get_pfit_config(crtc, pipe_config);
+
return true;
}
}
if (HAS_PCH_IBX(dev)) {
- has_ck505 = dev_priv->display_clock_mode;
+ has_ck505 = dev_priv->vbt.display_clock_mode;
can_ssc = has_ck505;
} else {
has_ck505 = false;
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_encoder *encoder;
- struct intel_encoder *edp_encoder = NULL;
int num_connectors = 0;
bool is_lvds = false;
case INTEL_OUTPUT_LVDS:
is_lvds = true;
break;
- case INTEL_OUTPUT_EDP:
- edp_encoder = encoder;
- break;
}
num_connectors++;
}
if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
- dev_priv->lvds_ssc_freq);
- return dev_priv->lvds_ssc_freq * 1000;
+ dev_priv->vbt.lvds_ssc_freq);
+ return dev_priv->vbt.lvds_ssc_freq * 1000;
}
return 120000;
struct intel_encoder *intel_encoder;
int refclk;
const intel_limit_t *limit;
- bool ret, is_sdvo = false, is_tv = false, is_lvds = false;
+ bool ret, is_lvds = false;
for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
switch (intel_encoder->type) {
case INTEL_OUTPUT_LVDS:
is_lvds = true;
break;
- case INTEL_OUTPUT_SDVO:
- case INTEL_OUTPUT_HDMI:
- is_sdvo = true;
- if (intel_encoder->needs_tv_clock)
- is_tv = true;
- break;
- case INTEL_OUTPUT_TVOUT:
- is_tv = true;
- break;
}
}
reduced_clock);
}
- if (is_sdvo && is_tv)
- i9xx_adjust_sdvo_tv_clock(to_intel_crtc(crtc));
-
return true;
}
struct intel_encoder *intel_encoder;
uint32_t dpll;
int factor, num_connectors = 0;
- bool is_lvds = false, is_sdvo = false, is_tv = false;
+ bool is_lvds = false, is_sdvo = false;
for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
switch (intel_encoder->type) {
case INTEL_OUTPUT_SDVO:
case INTEL_OUTPUT_HDMI:
is_sdvo = true;
- if (intel_encoder->needs_tv_clock)
- is_tv = true;
- break;
- case INTEL_OUTPUT_TVOUT:
- is_tv = true;
break;
}
factor = 21;
if (is_lvds) {
if ((intel_panel_use_ssc(dev_priv) &&
- dev_priv->lvds_ssc_freq == 100) ||
+ dev_priv->vbt.lvds_ssc_freq == 100) ||
(HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev)))
factor = 25;
- } else if (is_sdvo && is_tv)
+ } else if (intel_crtc->config.sdvo_tv_clock)
factor = 20;
if (ironlake_needs_fb_cb_tune(&intel_crtc->config.dpll, factor))
break;
}
- if (is_sdvo && is_tv)
- dpll |= PLL_REF_INPUT_TVCLKINBC;
- else if (is_tv)
- /* XXX: just matching BIOS for now */
- /* dpll |= PLL_REF_INPUT_TVCLKINBC; */
- dpll |= 3;
- else if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2)
+ if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2)
dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
else
dpll |= PLL_REF_INPUT_DREFCLK;
& TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1;
}
+static void ironlake_get_pfit_config(struct intel_crtc *crtc,
+ struct intel_crtc_config *pipe_config)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ uint32_t tmp;
+
+ tmp = I915_READ(PF_CTL(crtc->pipe));
+
+ if (tmp & PF_ENABLE) {
+ pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe));
+ pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe));
+ }
+}
+
static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
struct intel_crtc_config *pipe_config)
{
intel_get_pipe_timings(crtc, pipe_config);
+ ironlake_get_pfit_config(crtc, pipe_config);
+
return true;
}
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
enum transcoder cpu_transcoder = crtc->config.cpu_transcoder;
+ enum intel_display_power_domain pfit_domain;
uint32_t tmp;
if (!intel_display_power_enabled(dev,
intel_get_pipe_timings(crtc, pipe_config);
+ pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe);
+ if (intel_display_power_enabled(dev, pfit_domain))
+ ironlake_get_pfit_config(crtc, pipe_config);
+
return true;
}
if (mask & (1 <<(intel_crtc)->pipe))
static bool
-intel_pipe_config_compare(struct intel_crtc_config *current_config,
+intel_pipe_config_compare(struct drm_device *dev,
+ struct intel_crtc_config *current_config,
struct intel_crtc_config *pipe_config)
{
#define PIPE_CONF_CHECK_I(name) \
PIPE_CONF_CHECK_I(requested_mode.hdisplay);
PIPE_CONF_CHECK_I(requested_mode.vdisplay);
+ PIPE_CONF_CHECK_I(gmch_pfit.control);
+ /* pfit ratios are autocomputed by the hw on gen4+ */
+ if (INTEL_INFO(dev)->gen < 4)
+ PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios);
+ PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits);
+ PIPE_CONF_CHECK_I(pch_pfit.pos);
+ PIPE_CONF_CHECK_I(pch_pfit.size);
+
#undef PIPE_CONF_CHECK_I
#undef PIPE_CONF_CHECK_FLAGS
"(expected %i, found %i)\n", crtc->active, active);
WARN(active &&
- !intel_pipe_config_compare(&crtc->config, &pipe_config),
+ !intel_pipe_config_compare(dev, &crtc->config, &pipe_config),
"pipe state doesn't match!\n");
}
}