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-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/intel_display.c55
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c16
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h2
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c42
5 files changed, 62 insertions, 54 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c8791f6..f37ac12 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1836,6 +1836,7 @@ struct drm_i915_private {
unsigned int skl_boot_cdclk;
unsigned int cdclk_freq, max_cdclk_freq, atomic_cdclk_freq;
unsigned int max_dotclk_freq;
+ unsigned int rawclk_freq;
unsigned int hpll_freq;
unsigned int czclk_freq;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 124342b..dd9118b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -169,49 +169,61 @@ static int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
return DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, divider + 1);
}
-int
-intel_pch_rawclk(struct drm_device *dev)
+static int
+intel_pch_rawclk(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- WARN_ON(!HAS_PCH_SPLIT(dev));
+ return (I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK) * 1000;
+}
- return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK;
+static int
+intel_vlv_hrawclk(struct drm_i915_private *dev_priv)
+{
+ return 200000;
}
-/* hrawclock is 1/4 the FSB frequency */
-int intel_hrawclk(struct drm_device *dev)
+static int
+intel_g4x_hrawclk(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t clkcfg;
- /* There is no CLKCFG reg in Valleyview. VLV hrawclk is 200 MHz */
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
- return 200;
-
+ /* hrawclock is 1/4 the FSB frequency */
clkcfg = I915_READ(CLKCFG);
switch (clkcfg & CLKCFG_FSB_MASK) {
case CLKCFG_FSB_400:
- return 100;
+ return 100000;
case CLKCFG_FSB_533:
- return 133;
+ return 133333;
case CLKCFG_FSB_667:
- return 166;
+ return 166667;
case CLKCFG_FSB_800:
- return 200;
+ return 200000;
case CLKCFG_FSB_1067:
- return 266;
+ return 266667;
case CLKCFG_FSB_1333:
- return 333;
+ return 333333;
/* these two are just a guess; one of them might be right */
case CLKCFG_FSB_1600:
case CLKCFG_FSB_1600_ALT:
- return 400;
+ return 400000;
default:
- return 133;
+ return 133333;
}
}
+static void intel_update_rawclk(struct drm_i915_private *dev_priv)
+{
+ if (HAS_PCH_SPLIT(dev_priv))
+ dev_priv->rawclk_freq = intel_pch_rawclk(dev_priv);
+ else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+ dev_priv->rawclk_freq = intel_vlv_hrawclk(dev_priv);
+ else if (IS_G4X(dev_priv) || IS_PINEVIEW(dev_priv))
+ dev_priv->rawclk_freq = intel_g4x_hrawclk(dev_priv);
+ else
+ return; /* no rawclk on other platforms, or no need to know it */
+
+ DRM_DEBUG_DRIVER("rawclk rate: %d kHz\n", dev_priv->rawclk_freq);
+}
+
static void intel_update_czclk(struct drm_i915_private *dev_priv)
{
if (!(IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)))
@@ -15617,6 +15629,7 @@ void intel_modeset_init(struct drm_device *dev)
}
intel_update_czclk(dev_priv);
+ intel_update_rawclk(dev_priv);
intel_update_cdclk(dev);
intel_shared_dpll_init(dev);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 5a13879..2625652 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -674,13 +674,13 @@ intel_dp_aux_wait_done(struct intel_dp *intel_dp, bool has_aux_irq)
static uint32_t i9xx_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
{
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct drm_device *dev = intel_dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
/*
* The clock divider is based off the hrawclk, and would like to run at
* 2MHz. So, take the hrawclk value and divide by 2 and use that
*/
- return index ? 0 : DIV_ROUND_CLOSEST(intel_hrawclk(dev), 2);
+ return index ? 0 : DIV_ROUND_CLOSEST(dev_priv->rawclk_freq, 2000);
}
static uint32_t ilk_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
@@ -692,12 +692,10 @@ static uint32_t ilk_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
if (index)
return 0;
- if (intel_dig_port->port == PORT_A) {
+ if (intel_dig_port->port == PORT_A)
return DIV_ROUND_CLOSEST(dev_priv->cdclk_freq, 2000);
-
- } else {
- return DIV_ROUND_CLOSEST(intel_pch_rawclk(dev), 2);
- }
+ else
+ return DIV_ROUND_CLOSEST(dev_priv->rawclk_freq, 2000);
}
static uint32_t hsw_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
@@ -718,7 +716,7 @@ static uint32_t hsw_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
default: return 0;
}
} else {
- return index ? 0 : DIV_ROUND_CLOSEST(intel_pch_rawclk(dev), 2);
+ return index ? 0 : DIV_ROUND_CLOSEST(dev_priv->rawclk_freq, 2000);
}
}
@@ -5268,7 +5266,7 @@ intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp_on, pp_off, pp_div, port_sel = 0;
- int div = HAS_PCH_SPLIT(dev) ? intel_pch_rawclk(dev) : intel_hrawclk(dev);
+ int div = dev_priv->rawclk_freq / 1000;
i915_reg_t pp_on_reg, pp_off_reg, pp_div_reg, pp_ctrl_reg;
enum port port = dp_to_dig_port(intel_dp)->port;
const struct edp_power_seq *seq = &intel_dp->pps_delays;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index d8b4916..cd0b4ea 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1119,8 +1119,6 @@ void i915_audio_component_cleanup(struct drm_i915_private *dev_priv);
extern const struct drm_plane_funcs intel_plane_funcs;
unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info);
bool intel_has_pending_fb_unpin(struct drm_device *dev);
-int intel_pch_rawclk(struct drm_device *dev);
-int intel_hrawclk(struct drm_device *dev);
void intel_mark_busy(struct drm_device *dev);
void intel_mark_idle(struct drm_device *dev);
void intel_crtc_restore_mode(struct drm_crtc *crtc);
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 21ee647..5cf3775 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1251,16 +1251,14 @@ static u32 bxt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
static u32 spt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
{
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
- u32 mul, clock;
+ u32 mul;
if (I915_READ(SOUTH_CHICKEN1) & SPT_PWM_GRANULARITY)
mul = 128;
else
mul = 16;
- clock = MHz(24);
-
- return clock / (pwm_freq_hz * mul);
+ return MHz(24) / (pwm_freq_hz * mul);
}
/*
@@ -1292,10 +1290,9 @@ static u32 lpt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
*/
static u32 pch_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
{
- struct drm_device *dev = connector->base.dev;
- int clock = MHz(intel_pch_rawclk(dev));
+ struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
- return clock / (pwm_freq_hz * 128);
+ return KHz(dev_priv->rawclk_freq) / (pwm_freq_hz * 128);
}
/*
@@ -1308,14 +1305,13 @@ static u32 pch_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
*/
static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
{
- struct drm_device *dev = connector->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
int clock;
- if (IS_PINEVIEW(dev))
- clock = MHz(intel_hrawclk(dev));
+ if (IS_PINEVIEW(dev_priv))
+ clock = KHz(dev_priv->rawclk_freq);
else
- clock = 1000 * dev_priv->cdclk_freq;
+ clock = KHz(dev_priv->cdclk_freq);
return clock / (pwm_freq_hz * 32);
}
@@ -1332,9 +1328,9 @@ static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
int clock;
if (IS_G4X(dev_priv))
- clock = MHz(intel_hrawclk(dev));
+ clock = KHz(dev_priv->rawclk_freq);
else
- clock = 1000 * dev_priv->cdclk_freq;
+ clock = KHz(dev_priv->cdclk_freq);
return clock / (pwm_freq_hz * 128);
}
@@ -1346,19 +1342,21 @@ static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
*/
static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)
{
- struct drm_device *dev = connector->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- int clock;
+ struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
+ int mul, clock;
if ((I915_READ(CBR1_VLV) & CBR_PWM_CLOCK_MUX_SELECT) == 0) {
- if (IS_CHERRYVIEW(dev))
- return KHz(19200) / (pwm_freq_hz * 16);
+ if (IS_CHERRYVIEW(dev_priv))
+ clock = KHz(19200);
else
- return MHz(25) / (pwm_freq_hz * 16);
+ clock = MHz(25);
+ mul = 16;
} else {
- clock = intel_hrawclk(dev);
- return MHz(clock) / (pwm_freq_hz * 128);
+ clock = KHz(dev_priv->rawclk_freq);
+ mul = 128;
}
+
+ return clock / (pwm_freq_hz * mul);
}
static u32 get_backlight_max_vbt(struct intel_connector *connector)
generated by cgit v0.10.2 at 2024-11-01 06:47:43 (GMT)