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drm/i915: Remove checks for cloned config with LVDS in dpll code

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LVDS is not cloneable, so the check is unnecessary. Removing it makes
the code neater.

v2: Remove checks from GMCH code too, not only ILK+. (Ville)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458576016-30348-2-git-send-email-ander.conselvan.de.oliveira@intel.com
This commit is contained in:
Ander Conselvan de Oliveira 2016-03-21 18:00:02 +02:00
parent 90e83e5390
commit ceb41007b4
1 changed files with 16 additions and 54 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

70
drivers/gpu/drm/i915/intel_display.c
View file

@ -111,8 +111,7 @@ static void intel_begin_crtc_commit(struct drm_crtc *, struct drm_crtc_state *);
static void intel_finish_crtc_commit(struct drm_crtc *, struct drm_crtc_state *);
static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc,
struct intel_crtc_state *crtc_state);
static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state,
int num_connectors);
static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state);
static void skylake_pfit_enable(struct intel_crtc *crtc);
static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force);
static void ironlake_pfit_enable(struct intel_crtc *crtc);
@ -1074,7 +1073,7 @@ chv_find_best_dpll(const intel_limit_t *limit,
bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock,
intel_clock_t *best_clock)
{
int refclk = i9xx_get_refclk(crtc_state, 0);
int refclk = i9xx_get_refclk(crtc_state);
return chv_find_best_dpll(intel_limit(crtc_state, refclk), crtc_state,
target_clock, refclk, NULL, best_clock);
@ -7058,8 +7057,7 @@ static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
&& !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE);
}
static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state,
int num_connectors)
static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state)
{
struct drm_device *dev = crtc_state->base.crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@ -7070,7 +7068,7 @@ static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state,
if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev) || IS_BROXTON(dev)) {
refclk = 100000;
} else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
intel_panel_use_ssc(dev_priv)) {
refclk = dev_priv->vbt.lvds_ssc_freq;
DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk);
} else if (!IS_GEN2(dev)) {
@ -7511,8 +7509,7 @@ void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe)
static void i9xx_compute_dpll(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state,
intel_clock_t *reduced_clock,
int num_connectors)
intel_clock_t *reduced_clock)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@ -7571,7 +7568,7 @@ static void i9xx_compute_dpll(struct intel_crtc *crtc,
if (crtc_state->sdvo_tv_clock)
dpll |= PLL_REF_INPUT_TVCLKINBC;
else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2)
intel_panel_use_ssc(dev_priv))
dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
else
dpll |= PLL_REF_INPUT_DREFCLK;
@ -7588,8 +7585,7 @@ static void i9xx_compute_dpll(struct intel_crtc *crtc,
static void i8xx_compute_dpll(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state,
intel_clock_t *reduced_clock,
int num_connectors)
intel_clock_t *reduced_clock)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@ -7615,7 +7611,7 @@ static void i8xx_compute_dpll(struct intel_crtc *crtc,
dpll |= DPLL_DVO_2X_MODE;
if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv) && num_connectors < 2)
intel_panel_use_ssc(dev_priv))
dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
else
dpll |= PLL_REF_INPUT_DREFCLK;
@ -7843,14 +7839,10 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int refclk, num_connectors = 0;
int refclk;
intel_clock_t clock;
bool ok;
const intel_limit_t *limit;
struct drm_atomic_state *state = crtc_state->base.state;
struct drm_connector *connector;
struct drm_connector_state *connector_state;
int i;
memset(&crtc_state->dpll_hw_state, 0,
sizeof(crtc_state->dpll_hw_state));
@ -7858,13 +7850,8 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
if (crtc_state->has_dsi_encoder)
return 0;
for_each_connector_in_state(state, connector, connector_state, i) {
if (connector_state->crtc == &crtc->base)
num_connectors++;
}
if (!crtc_state->clock_set) {
refclk = i9xx_get_refclk(crtc_state, num_connectors);
refclk = i9xx_get_refclk(crtc_state);
/*
* Returns a set of divisors for the desired target clock with
@ -7890,15 +7877,13 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
}
if (IS_GEN2(dev)) {
i8xx_compute_dpll(crtc, crtc_state, NULL,
num_connectors);
i8xx_compute_dpll(crtc, crtc_state, NULL);
} else if (IS_CHERRYVIEW(dev)) {
chv_compute_dpll(crtc, crtc_state);
} else if (IS_VALLEYVIEW(dev)) {
vlv_compute_dpll(crtc, crtc_state);
} else {
i9xx_compute_dpll(crtc, crtc_state, NULL,
num_connectors);
i9xx_compute_dpll(crtc, crtc_state, NULL);
}
return 0;
@ -8584,30 +8569,9 @@ static int ironlake_get_refclk(struct intel_crtc_state *crtc_state)
{
struct drm_device *dev = crtc_state->base.crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_atomic_state *state = crtc_state->base.state;
struct drm_connector *connector;
struct drm_connector_state *connector_state;
struct intel_encoder *encoder;
int num_connectors = 0, i;
bool is_lvds = false;
for_each_connector_in_state(state, connector, connector_state, i) {
if (connector_state->crtc != crtc_state->base.crtc)
continue;
encoder = to_intel_encoder(connector_state->best_encoder);
switch (encoder->type) {
case INTEL_OUTPUT_LVDS:
is_lvds = true;
break;
default:
break;
}
num_connectors++;
}
if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) &&
intel_panel_use_ssc(dev_priv)) {
DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n",
dev_priv->vbt.lvds_ssc_freq);
return dev_priv->vbt.lvds_ssc_freq;
@ -8768,7 +8732,7 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
struct drm_connector_state *connector_state;
struct intel_encoder *encoder;
uint32_t dpll;
int factor, num_connectors = 0, i;
int factor, i;
bool is_lvds = false, is_sdvo = false;
for_each_connector_in_state(state, connector, connector_state, i) {
@ -8788,8 +8752,6 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
default:
break;
}
num_connectors++;
}
/* Enable autotuning of the PLL clock (if permissible) */
@ -8843,7 +8805,7 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
break;
}
if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2)
if (is_lvds && intel_panel_use_ssc(dev_priv))
dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
else
dpll |= PLL_REF_INPUT_DREFCLK;