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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c461
1 files changed, 352 insertions, 109 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 12775df1bbfd..9cd6de5f9906 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -232,7 +232,7 @@ struct intel_limit {
#define G4X_P2_DISPLAY_PORT_FAST 10
#define G4X_P2_DISPLAY_PORT_LIMIT 0
-/* Ironlake */
+/* Ironlake / Sandybridge */
/* as we calculate clock using (register_value + 2) for
N/M1/M2, so here the range value for them is (actual_value-2).
*/
@@ -240,33 +240,86 @@ struct intel_limit {
#define IRONLAKE_DOT_MAX 350000
#define IRONLAKE_VCO_MIN 1760000
#define IRONLAKE_VCO_MAX 3510000
-#define IRONLAKE_N_MIN 1
-#define IRONLAKE_N_MAX 6
-#define IRONLAKE_M_MIN 79
-#define IRONLAKE_M_MAX 127
#define IRONLAKE_M1_MIN 12
#define IRONLAKE_M1_MAX 22
#define IRONLAKE_M2_MIN 5
#define IRONLAKE_M2_MAX 9
-#define IRONLAKE_P_SDVO_DAC_MIN 5
-#define IRONLAKE_P_SDVO_DAC_MAX 80
-#define IRONLAKE_P_LVDS_MIN 28
-#define IRONLAKE_P_LVDS_MAX 112
-#define IRONLAKE_P1_MIN 1
-#define IRONLAKE_P1_MAX 8
-#define IRONLAKE_P2_SDVO_DAC_SLOW 10
-#define IRONLAKE_P2_SDVO_DAC_FAST 5
-#define IRONLAKE_P2_LVDS_SLOW 14 /* single channel */
-#define IRONLAKE_P2_LVDS_FAST 7 /* double channel */
#define IRONLAKE_P2_DOT_LIMIT 225000 /* 225Mhz */
-#define IRONLAKE_P_DISPLAY_PORT_MIN 10
-#define IRONLAKE_P_DISPLAY_PORT_MAX 20
-#define IRONLAKE_P2_DISPLAY_PORT_FAST 10
-#define IRONLAKE_P2_DISPLAY_PORT_SLOW 10
-#define IRONLAKE_P2_DISPLAY_PORT_LIMIT 0
-#define IRONLAKE_P1_DISPLAY_PORT_MIN 1
-#define IRONLAKE_P1_DISPLAY_PORT_MAX 2
+/* We have parameter ranges for different type of outputs. */
+
+/* DAC & HDMI Refclk 120Mhz */
+#define IRONLAKE_DAC_N_MIN 1
+#define IRONLAKE_DAC_N_MAX 5
+#define IRONLAKE_DAC_M_MIN 79
+#define IRONLAKE_DAC_M_MAX 127
+#define IRONLAKE_DAC_P_MIN 5
+#define IRONLAKE_DAC_P_MAX 80
+#define IRONLAKE_DAC_P1_MIN 1
+#define IRONLAKE_DAC_P1_MAX 8
+#define IRONLAKE_DAC_P2_SLOW 10
+#define IRONLAKE_DAC_P2_FAST 5
+
+/* LVDS single-channel 120Mhz refclk */
+#define IRONLAKE_LVDS_S_N_MIN 1
+#define IRONLAKE_LVDS_S_N_MAX 3
+#define IRONLAKE_LVDS_S_M_MIN 79
+#define IRONLAKE_LVDS_S_M_MAX 118
+#define IRONLAKE_LVDS_S_P_MIN 28
+#define IRONLAKE_LVDS_S_P_MAX 112
+#define IRONLAKE_LVDS_S_P1_MIN 2
+#define IRONLAKE_LVDS_S_P1_MAX 8
+#define IRONLAKE_LVDS_S_P2_SLOW 14
+#define IRONLAKE_LVDS_S_P2_FAST 14
+
+/* LVDS dual-channel 120Mhz refclk */
+#define IRONLAKE_LVDS_D_N_MIN 1
+#define IRONLAKE_LVDS_D_N_MAX 3
+#define IRONLAKE_LVDS_D_M_MIN 79
+#define IRONLAKE_LVDS_D_M_MAX 127
+#define IRONLAKE_LVDS_D_P_MIN 14
+#define IRONLAKE_LVDS_D_P_MAX 56
+#define IRONLAKE_LVDS_D_P1_MIN 2
+#define IRONLAKE_LVDS_D_P1_MAX 8
+#define IRONLAKE_LVDS_D_P2_SLOW 7
+#define IRONLAKE_LVDS_D_P2_FAST 7
+
+/* LVDS single-channel 100Mhz refclk */
+#define IRONLAKE_LVDS_S_SSC_N_MIN 1
+#define IRONLAKE_LVDS_S_SSC_N_MAX 2
+#define IRONLAKE_LVDS_S_SSC_M_MIN 79
+#define IRONLAKE_LVDS_S_SSC_M_MAX 126
+#define IRONLAKE_LVDS_S_SSC_P_MIN 28
+#define IRONLAKE_LVDS_S_SSC_P_MAX 112
+#define IRONLAKE_LVDS_S_SSC_P1_MIN 2
+#define IRONLAKE_LVDS_S_SSC_P1_MAX 8
+#define IRONLAKE_LVDS_S_SSC_P2_SLOW 14
+#define IRONLAKE_LVDS_S_SSC_P2_FAST 14
+
+/* LVDS dual-channel 100Mhz refclk */
+#define IRONLAKE_LVDS_D_SSC_N_MIN 1
+#define IRONLAKE_LVDS_D_SSC_N_MAX 3
+#define IRONLAKE_LVDS_D_SSC_M_MIN 79
+#define IRONLAKE_LVDS_D_SSC_M_MAX 126
+#define IRONLAKE_LVDS_D_SSC_P_MIN 14
+#define IRONLAKE_LVDS_D_SSC_P_MAX 42
+#define IRONLAKE_LVDS_D_SSC_P1_MIN 2
+#define IRONLAKE_LVDS_D_SSC_P1_MAX 6
+#define IRONLAKE_LVDS_D_SSC_P2_SLOW 7
+#define IRONLAKE_LVDS_D_SSC_P2_FAST 7
+
+/* DisplayPort */
+#define IRONLAKE_DP_N_MIN 1
+#define IRONLAKE_DP_N_MAX 2
+#define IRONLAKE_DP_M_MIN 81
+#define IRONLAKE_DP_M_MAX 90
+#define IRONLAKE_DP_P_MIN 10
+#define IRONLAKE_DP_P_MAX 20
+#define IRONLAKE_DP_P2_FAST 10
+#define IRONLAKE_DP_P2_SLOW 10
+#define IRONLAKE_DP_P2_LIMIT 0
+#define IRONLAKE_DP_P1_MIN 1
+#define IRONLAKE_DP_P1_MAX 2
static bool
intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
@@ -474,33 +527,78 @@ static const intel_limit_t intel_limits_pineview_lvds = {
.find_pll = intel_find_best_PLL,
};
-static const intel_limit_t intel_limits_ironlake_sdvo = {
+static const intel_limit_t intel_limits_ironlake_dac = {
.dot = { .min = IRONLAKE_DOT_MIN, .max = IRONLAKE_DOT_MAX },
.vco = { .min = IRONLAKE_VCO_MIN, .max = IRONLAKE_VCO_MAX },
- .n = { .min = IRONLAKE_N_MIN, .max = IRONLAKE_N_MAX },
- .m = { .min = IRONLAKE_M_MIN, .max = IRONLAKE_M_MAX },
+ .n = { .min = IRONLAKE_DAC_N_MIN, .max = IRONLAKE_DAC_N_MAX },
+ .m = { .min = IRONLAKE_DAC_M_MIN, .max = IRONLAKE_DAC_M_MAX },
.m1 = { .min = IRONLAKE_M1_MIN, .max = IRONLAKE_M1_MAX },
.m2 = { .min = IRONLAKE_M2_MIN, .max = IRONLAKE_M2_MAX },
- .p = { .min = IRONLAKE_P_SDVO_DAC_MIN, .max = IRONLAKE_P_SDVO_DAC_MAX },
- .p1 = { .min = IRONLAKE_P1_MIN, .max = IRONLAKE_P1_MAX },
+ .p = { .min = IRONLAKE_DAC_P_MIN, .max = IRONLAKE_DAC_P_MAX },
+ .p1 = { .min = IRONLAKE_DAC_P1_MIN, .max = IRONLAKE_DAC_P1_MAX },
.p2 = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
- .p2_slow = IRONLAKE_P2_SDVO_DAC_SLOW,
- .p2_fast = IRONLAKE_P2_SDVO_DAC_FAST },
+ .p2_slow = IRONLAKE_DAC_P2_SLOW,
+ .p2_fast = IRONLAKE_DAC_P2_FAST },
.find_pll = intel_g4x_find_best_PLL,
};
-static const intel_limit_t intel_limits_ironlake_lvds = {
+static const intel_limit_t intel_limits_ironlake_single_lvds = {
.dot = { .min = IRONLAKE_DOT_MIN, .max = IRONLAKE_DOT_MAX },
.vco = { .min = IRONLAKE_VCO_MIN, .max = IRONLAKE_VCO_MAX },
- .n = { .min = IRONLAKE_N_MIN, .max = IRONLAKE_N_MAX },
- .m = { .min = IRONLAKE_M_MIN, .max = IRONLAKE_M_MAX },
+ .n = { .min = IRONLAKE_LVDS_S_N_MIN, .max = IRONLAKE_LVDS_S_N_MAX },
+ .m = { .min = IRONLAKE_LVDS_S_M_MIN, .max = IRONLAKE_LVDS_S_M_MAX },
.m1 = { .min = IRONLAKE_M1_MIN, .max = IRONLAKE_M1_MAX },
.m2 = { .min = IRONLAKE_M2_MIN, .max = IRONLAKE_M2_MAX },
- .p = { .min = IRONLAKE_P_LVDS_MIN, .max = IRONLAKE_P_LVDS_MAX },
- .p1 = { .min = IRONLAKE_P1_MIN, .max = IRONLAKE_P1_MAX },
+ .p = { .min = IRONLAKE_LVDS_S_P_MIN, .max = IRONLAKE_LVDS_S_P_MAX },
+ .p1 = { .min = IRONLAKE_LVDS_S_P1_MIN, .max = IRONLAKE_LVDS_S_P1_MAX },
.p2 = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
- .p2_slow = IRONLAKE_P2_LVDS_SLOW,
- .p2_fast = IRONLAKE_P2_LVDS_FAST },
+ .p2_slow = IRONLAKE_LVDS_S_P2_SLOW,
+ .p2_fast = IRONLAKE_LVDS_S_P2_FAST },
+ .find_pll = intel_g4x_find_best_PLL,
+};
+
+static const intel_limit_t intel_limits_ironlake_dual_lvds = {
+ .dot = { .min = IRONLAKE_DOT_MIN, .max = IRONLAKE_DOT_MAX },
+ .vco = { .min = IRONLAKE_VCO_MIN, .max = IRONLAKE_VCO_MAX },
+ .n = { .min = IRONLAKE_LVDS_D_N_MIN, .max = IRONLAKE_LVDS_D_N_MAX },
+ .m = { .min = IRONLAKE_LVDS_D_M_MIN, .max = IRONLAKE_LVDS_D_M_MAX },
+ .m1 = { .min = IRONLAKE_M1_MIN, .max = IRONLAKE_M1_MAX },
+ .m2 = { .min = IRONLAKE_M2_MIN, .max = IRONLAKE_M2_MAX },
+ .p = { .min = IRONLAKE_LVDS_D_P_MIN, .max = IRONLAKE_LVDS_D_P_MAX },
+ .p1 = { .min = IRONLAKE_LVDS_D_P1_MIN, .max = IRONLAKE_LVDS_D_P1_MAX },
+ .p2 = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
+ .p2_slow = IRONLAKE_LVDS_D_P2_SLOW,
+ .p2_fast = IRONLAKE_LVDS_D_P2_FAST },
+ .find_pll = intel_g4x_find_best_PLL,
+};
+
+static const intel_limit_t intel_limits_ironlake_single_lvds_100m = {
+ .dot = { .min = IRONLAKE_DOT_MIN, .max = IRONLAKE_DOT_MAX },
+ .vco = { .min = IRONLAKE_VCO_MIN, .max = IRONLAKE_VCO_MAX },
+ .n = { .min = IRONLAKE_LVDS_S_SSC_N_MIN, .max = IRONLAKE_LVDS_S_SSC_N_MAX },
+ .m = { .min = IRONLAKE_LVDS_S_SSC_M_MIN, .max = IRONLAKE_LVDS_S_SSC_M_MAX },
+ .m1 = { .min = IRONLAKE_M1_MIN, .max = IRONLAKE_M1_MAX },
+ .m2 = { .min = IRONLAKE_M2_MIN, .max = IRONLAKE_M2_MAX },
+ .p = { .min = IRONLAKE_LVDS_S_SSC_P_MIN, .max = IRONLAKE_LVDS_S_SSC_P_MAX },
+ .p1 = { .min = IRONLAKE_LVDS_S_SSC_P1_MIN,.max = IRONLAKE_LVDS_S_SSC_P1_MAX },
+ .p2 = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
+ .p2_slow = IRONLAKE_LVDS_S_SSC_P2_SLOW,
+ .p2_fast = IRONLAKE_LVDS_S_SSC_P2_FAST },
+ .find_pll = intel_g4x_find_best_PLL,
+};
+
+static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
+ .dot = { .min = IRONLAKE_DOT_MIN, .max = IRONLAKE_DOT_MAX },
+ .vco = { .min = IRONLAKE_VCO_MIN, .max = IRONLAKE_VCO_MAX },
+ .n = { .min = IRONLAKE_LVDS_D_SSC_N_MIN, .max = IRONLAKE_LVDS_D_SSC_N_MAX },
+ .m = { .min = IRONLAKE_LVDS_D_SSC_M_MIN, .max = IRONLAKE_LVDS_D_SSC_M_MAX },
+ .m1 = { .min = IRONLAKE_M1_MIN, .max = IRONLAKE_M1_MAX },
+ .m2 = { .min = IRONLAKE_M2_MIN, .max = IRONLAKE_M2_MAX },
+ .p = { .min = IRONLAKE_LVDS_D_SSC_P_MIN, .max = IRONLAKE_LVDS_D_SSC_P_MAX },
+ .p1 = { .min = IRONLAKE_LVDS_D_SSC_P1_MIN,.max = IRONLAKE_LVDS_D_SSC_P1_MAX },
+ .p2 = { .dot_limit = IRONLAKE_P2_DOT_LIMIT,
+ .p2_slow = IRONLAKE_LVDS_D_SSC_P2_SLOW,
+ .p2_fast = IRONLAKE_LVDS_D_SSC_P2_FAST },
.find_pll = intel_g4x_find_best_PLL,
};
@@ -509,34 +607,53 @@ static const intel_limit_t intel_limits_ironlake_display_port = {
.max = IRONLAKE_DOT_MAX },
.vco = { .min = IRONLAKE_VCO_MIN,
.max = IRONLAKE_VCO_MAX},
- .n = { .min = IRONLAKE_N_MIN,
- .max = IRONLAKE_N_MAX },
- .m = { .min = IRONLAKE_M_MIN,
- .max = IRONLAKE_M_MAX },
+ .n = { .min = IRONLAKE_DP_N_MIN,
+ .max = IRONLAKE_DP_N_MAX },
+ .m = { .min = IRONLAKE_DP_M_MIN,
+ .max = IRONLAKE_DP_M_MAX },
.m1 = { .min = IRONLAKE_M1_MIN,
.max = IRONLAKE_M1_MAX },
.m2 = { .min = IRONLAKE_M2_MIN,
.max = IRONLAKE_M2_MAX },
- .p = { .min = IRONLAKE_P_DISPLAY_PORT_MIN,
- .max = IRONLAKE_P_DISPLAY_PORT_MAX },
- .p1 = { .min = IRONLAKE_P1_DISPLAY_PORT_MIN,
- .max = IRONLAKE_P1_DISPLAY_PORT_MAX},
- .p2 = { .dot_limit = IRONLAKE_P2_DISPLAY_PORT_LIMIT,
- .p2_slow = IRONLAKE_P2_DISPLAY_PORT_SLOW,
- .p2_fast = IRONLAKE_P2_DISPLAY_PORT_FAST },
+ .p = { .min = IRONLAKE_DP_P_MIN,
+ .max = IRONLAKE_DP_P_MAX },
+ .p1 = { .min = IRONLAKE_DP_P1_MIN,
+ .max = IRONLAKE_DP_P1_MAX},
+ .p2 = { .dot_limit = IRONLAKE_DP_P2_LIMIT,
+ .p2_slow = IRONLAKE_DP_P2_SLOW,
+ .p2_fast = IRONLAKE_DP_P2_FAST },
.find_pll = intel_find_pll_ironlake_dp,
};
static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc)
{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
const intel_limit_t *limit;
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
- limit = &intel_limits_ironlake_lvds;
- else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
+ int refclk = 120;
+
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ if (dev_priv->lvds_use_ssc && dev_priv->lvds_ssc_freq == 100)
+ refclk = 100;
+
+ if ((I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) ==
+ LVDS_CLKB_POWER_UP) {
+ /* LVDS dual channel */
+ if (refclk == 100)
+ limit = &intel_limits_ironlake_dual_lvds_100m;
+ else
+ limit = &intel_limits_ironlake_dual_lvds;
+ } else {
+ if (refclk == 100)
+ limit = &intel_limits_ironlake_single_lvds_100m;
+ else
+ limit = &intel_limits_ironlake_single_lvds;
+ }
+ } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
HAS_eDP)
limit = &intel_limits_ironlake_display_port;
else
- limit = &intel_limits_ironlake_sdvo;
+ limit = &intel_limits_ironlake_dac;
return limit;
}
@@ -573,7 +690,7 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
struct drm_device *dev = crtc->dev;
const intel_limit_t *limit;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
limit = intel_ironlake_limit(crtc);
else if (IS_G4X(dev)) {
limit = intel_g4x_limit(crtc);
@@ -769,7 +886,7 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
int lvds_reg;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
lvds_reg = PCH_LVDS;
else
lvds_reg = LVDS;
@@ -914,6 +1031,8 @@ static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
/* enable it... */
fbc_ctl = FBC_CTL_EN | FBC_CTL_PERIODIC;
+ if (IS_I945GM(dev))
+ fbc_ctl |= FBC_C3_IDLE; /* 945 needs special SR handling */
fbc_ctl |= (dev_priv->cfb_pitch & 0xff) << FBC_CTL_STRIDE_SHIFT;
fbc_ctl |= (interval & 0x2fff) << FBC_CTL_INTERVAL_SHIFT;
if (obj_priv->tiling_mode != I915_TILING_NONE)
@@ -1069,25 +1188,30 @@ static void intel_update_fbc(struct drm_crtc *crtc,
if (intel_fb->obj->size > dev_priv->cfb_size) {
DRM_DEBUG_KMS("framebuffer too large, disabling "
"compression\n");
+ dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
goto out_disable;
}
if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
(mode->flags & DRM_MODE_FLAG_DBLSCAN)) {
DRM_DEBUG_KMS("mode incompatible with compression, "
"disabling\n");
+ dev_priv->no_fbc_reason = FBC_UNSUPPORTED_MODE;
goto out_disable;
}
if ((mode->hdisplay > 2048) ||
(mode->vdisplay > 1536)) {
DRM_DEBUG_KMS("mode too large for compression, disabling\n");
+ dev_priv->no_fbc_reason = FBC_MODE_TOO_LARGE;
goto out_disable;
}
if ((IS_I915GM(dev) || IS_I945GM(dev)) && plane != 0) {
DRM_DEBUG_KMS("plane not 0, disabling compression\n");
+ dev_priv->no_fbc_reason = FBC_BAD_PLANE;
goto out_disable;
}
if (obj_priv->tiling_mode != I915_TILING_X) {
DRM_DEBUG_KMS("framebuffer not tiled, disabling compression\n");
+ dev_priv->no_fbc_reason = FBC_NOT_TILED;
goto out_disable;
}
@@ -1247,7 +1371,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
dspcntr &= ~DISPPLANE_TILED;
}
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
/* must disable */
dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
@@ -1308,7 +1432,7 @@ static void i915_disable_vga (struct drm_device *dev)
u8 sr1;
u32 vga_reg;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
vga_reg = CPU_VGACNTRL;
else
vga_reg = VGACNTRL;
@@ -1992,7 +2116,7 @@ static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = crtc->dev;
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
/* FDI link clock is fixed at 2.7G */
if (mode->clock * 3 > 27000 * 4)
return MODE_CLOCK_HIGH;
@@ -2638,11 +2762,22 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
srwm = total_size - sr_entries;
if (srwm < 0)
srwm = 1;
- I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN | (srwm & 0x3f));
+
+ if (IS_I945G(dev) || IS_I945GM(dev))
+ I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_FIFO_MASK | (srwm & 0xff));
+ else if (IS_I915GM(dev)) {
+ /* 915M has a smaller SRWM field */
+ I915_WRITE(FW_BLC_SELF, srwm & 0x3f);
+ I915_WRITE(INSTPM, I915_READ(INSTPM) | INSTPM_SELF_EN);
+ }
} else {
/* Turn off self refresh if both pipes are enabled */
- I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
- & ~FW_BLC_SELF_EN);
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
+ & ~FW_BLC_SELF_EN);
+ } else if (IS_I915GM(dev)) {
+ I915_WRITE(INSTPM, I915_READ(INSTPM) & ~INSTPM_SELF_EN);
+ }
}
DRM_DEBUG_KMS("Setting FIFO watermarks - A: %d, B: %d, C: %d, SR %d\n",
@@ -2848,7 +2983,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
refclk / 1000);
} else if (IS_I9XX(dev)) {
refclk = 96000;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
refclk = 120000; /* 120Mhz refclk */
} else {
refclk = 48000;
@@ -2906,7 +3041,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
}
/* FDI link */
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
int lane, link_bw, bpp;
/* eDP doesn't require FDI link, so just set DP M/N
according to current link config */
@@ -2983,7 +3118,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
* PCH B stepping, previous chipset stepping should be
* ignoring this setting.
*/
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
temp = I915_READ(PCH_DREF_CONTROL);
/* Always enable nonspread source */
temp &= ~DREF_NONSPREAD_SOURCE_MASK;
@@ -3030,7 +3165,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
reduced_clock.m2;
}
- if (!IS_IRONLAKE(dev))
+ if (!HAS_PCH_SPLIT(dev))
dpll = DPLL_VGA_MODE_DIS;
if (IS_I9XX(dev)) {
@@ -3043,7 +3178,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
- else if (IS_IRONLAKE(dev))
+ else if (HAS_PCH_SPLIT(dev))
dpll |= (sdvo_pixel_multiply - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
}
if (is_dp)
@@ -3055,7 +3190,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
else {
dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
/* also FPA1 */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
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;
@@ -3074,7 +3209,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
break;
}
- if (IS_I965G(dev) && !IS_IRONLAKE(dev))
+ if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev))
dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
} else {
if (is_lvds) {
@@ -3108,7 +3243,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* Ironlake's plane is forced to pipe, bit 24 is to
enable color space conversion */
- if (!IS_IRONLAKE(dev)) {
+ if (!HAS_PCH_SPLIT(dev)) {
if (pipe == 0)
dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
else
@@ -3135,14 +3270,14 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* Disable the panel fitter if it was on our pipe */
- if (!IS_IRONLAKE(dev) && intel_panel_fitter_pipe(dev) == pipe)
+ if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe)
I915_WRITE(PFIT_CONTROL, 0);
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
drm_mode_debug_printmodeline(mode);
/* assign to Ironlake registers */
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
fp_reg = pch_fp_reg;
dpll_reg = pch_dpll_reg;
}
@@ -3163,7 +3298,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
if (is_lvds) {
u32 lvds;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
lvds_reg = PCH_LVDS;
lvds = I915_READ(lvds_reg);
@@ -3185,12 +3320,12 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* set the dithering flag */
if (IS_I965G(dev)) {
if (dev_priv->lvds_dither) {
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
pipeconf |= PIPE_ENABLE_DITHER;
else
lvds |= LVDS_ENABLE_DITHER;
} else {
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
pipeconf &= ~PIPE_ENABLE_DITHER;
else
lvds &= ~LVDS_ENABLE_DITHER;
@@ -3209,7 +3344,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* Wait for the clocks to stabilize. */
udelay(150);
- if (IS_I965G(dev) && !IS_IRONLAKE(dev)) {
+ if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) {
if (is_sdvo) {
sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
@@ -3256,14 +3391,14 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
/* pipesrc and dspsize control the size that is scaled from, which should
* always be the user's requested size.
*/
- if (!IS_IRONLAKE(dev)) {
+ if (!HAS_PCH_SPLIT(dev)) {
I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) |
(mode->hdisplay - 1));
I915_WRITE(dsppos_reg, 0);
}
I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
I915_WRITE(data_m1_reg, TU_SIZE(m_n.tu) | m_n.gmch_m);
I915_WRITE(data_n1_reg, TU_SIZE(m_n.tu) | m_n.gmch_n);
I915_WRITE(link_m1_reg, m_n.link_m);
@@ -3319,7 +3454,7 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
return;
/* use legacy palette for Ironlake */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
palreg = (intel_crtc->pipe == 0) ? LGC_PALETTE_A :
LGC_PALETTE_B;
@@ -3434,11 +3569,10 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
intel_crtc->cursor_bo = bo;
return 0;
-fail:
- mutex_lock(&dev->struct_mutex);
fail_locked:
- drm_gem_object_unreference(bo);
mutex_unlock(&dev->struct_mutex);
+fail:
+ drm_gem_object_unreference_unlocked(bo);
return ret;
}
@@ -3803,7 +3937,7 @@ static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule)
int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
int dpll = I915_READ(dpll_reg);
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
return;
if (!dev_priv->lvds_downclock_avail)
@@ -3842,7 +3976,7 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc)
int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
int dpll = I915_READ(dpll_reg);
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
return;
if (!dev_priv->lvds_downclock_avail)
@@ -3892,6 +4026,11 @@ static void intel_idle_update(struct work_struct *work)
mutex_lock(&dev->struct_mutex);
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ DRM_DEBUG_DRIVER("enable memory self refresh on 945\n");
+ I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | FW_BLC_SELF_EN);
+ }
+
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
/* Skip inactive CRTCs */
if (!crtc->fb)
@@ -3925,9 +4064,17 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return;
- if (!dev_priv->busy)
+ if (!dev_priv->busy) {
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ u32 fw_blc_self;
+
+ DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
+ fw_blc_self = I915_READ(FW_BLC_SELF);
+ fw_blc_self &= ~FW_BLC_SELF_EN;
+ I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
+ }
dev_priv->busy = true;
- else
+ } else
mod_timer(&dev_priv->idle_timer, jiffies +
msecs_to_jiffies(GPU_IDLE_TIMEOUT));
@@ -3939,6 +4086,14 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
intel_fb = to_intel_framebuffer(crtc->fb);
if (intel_fb->obj == obj) {
if (!intel_crtc->busy) {
+ if (IS_I945G(dev) || IS_I945GM(dev)) {
+ u32 fw_blc_self;
+
+ DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
+ fw_blc_self = I915_READ(FW_BLC_SELF);
+ fw_blc_self &= ~FW_BLC_SELF_EN;
+ I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
+ }
/* Non-busy -> busy, upclock */
intel_increase_pllclock(crtc, true);
intel_crtc->busy = true;
@@ -3962,7 +4117,8 @@ static void intel_crtc_destroy(struct drm_crtc *crtc)
struct intel_unpin_work {
struct work_struct work;
struct drm_device *dev;
- struct drm_gem_object *obj;
+ struct drm_gem_object *old_fb_obj;
+ struct drm_gem_object *pending_flip_obj;
struct drm_pending_vblank_event *event;
int pending;
};
@@ -3973,8 +4129,9 @@ static void intel_unpin_work_fn(struct work_struct *__work)
container_of(__work, struct intel_unpin_work, work);
mutex_lock(&work->dev->struct_mutex);
- i915_gem_object_unpin(work->obj);
- drm_gem_object_unreference(work->obj);
+ i915_gem_object_unpin(work->old_fb_obj);
+ drm_gem_object_unreference(work->pending_flip_obj);
+ drm_gem_object_unreference(work->old_fb_obj);
mutex_unlock(&work->dev->struct_mutex);
kfree(work);
}
@@ -3998,7 +4155,7 @@ void intel_finish_page_flip(struct drm_device *dev, int pipe)
work = intel_crtc->unpin_work;
if (work == NULL || !work->pending) {
if (work && !work->pending) {
- obj_priv = work->obj->driver_private;
+ obj_priv = work->pending_flip_obj->driver_private;
DRM_DEBUG_DRIVER("flip finish: %p (%d) not pending?\n",
obj_priv,
atomic_read(&obj_priv->pending_flip));
@@ -4023,7 +4180,7 @@ void intel_finish_page_flip(struct drm_device *dev, int pipe)
spin_unlock_irqrestore(&dev->event_lock, flags);
- obj_priv = work->obj->driver_private;
+ obj_priv = work->pending_flip_obj->driver_private;
/* Initial scanout buffer will have a 0 pending flip count */
if ((atomic_read(&obj_priv->pending_flip) == 0) ||
@@ -4060,7 +4217,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_unpin_work *work;
unsigned long flags;
- int ret;
+ int pipesrc_reg = (intel_crtc->pipe == 0) ? PIPEASRC : PIPEBSRC;
+ int ret, pipesrc;
RING_LOCALS;
work = kzalloc(sizeof *work, GFP_KERNEL);
@@ -4072,7 +4230,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
work->event = event;
work->dev = crtc->dev;
intel_fb = to_intel_framebuffer(crtc->fb);
- work->obj = intel_fb->obj;
+ work->old_fb_obj = intel_fb->obj;
INIT_WORK(&work->work, intel_unpin_work_fn);
/* We borrow the event spin lock for protecting unpin_work */
@@ -4100,14 +4258,16 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
return ret;
}
- /* Reference the old fb object for the scheduled work. */
- drm_gem_object_reference(work->obj);
+ /* Reference the objects for the scheduled work. */
+ drm_gem_object_reference(work->old_fb_obj);
+ drm_gem_object_reference(obj);
crtc->fb = fb;
i915_gem_object_flush_write_domain(obj);
drm_vblank_get(dev, intel_crtc->pipe);
obj_priv = obj->driver_private;
atomic_inc(&obj_priv->pending_flip);
+ work->pending_flip_obj = obj;
BEGIN_LP_RING(4);
OUT_RING(MI_DISPLAY_FLIP |
@@ -4115,7 +4275,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
OUT_RING(fb->pitch);
if (IS_I965G(dev)) {
OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode);
- OUT_RING((fb->width << 16) | fb->height);
+ pipesrc = I915_READ(pipesrc_reg);
+ OUT_RING(pipesrc & 0x0fff0fff);
} else {
OUT_RING(obj_priv->gtt_offset);
OUT_RING(MI_NOOP);
@@ -4257,7 +4418,7 @@ static void intel_setup_outputs(struct drm_device *dev)
if (IS_MOBILE(dev) && !IS_I830(dev))
intel_lvds_init(dev);
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
int found;
if (IS_MOBILE(dev) && (I915_READ(DP_A) & DP_DETECTED))
@@ -4326,7 +4487,7 @@ static void intel_setup_outputs(struct drm_device *dev)
DRM_DEBUG_KMS("probing DP_D\n");
intel_dp_init(dev, DP_D);
}
- } else if (IS_I8XX(dev))
+ } else if (IS_GEN2(dev))
intel_dvo_init(dev);
if (SUPPORTS_TV(dev))
@@ -4351,9 +4512,7 @@ static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
intelfb_remove(dev, fb);
drm_framebuffer_cleanup(fb);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(intel_fb->obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(intel_fb->obj);
kfree(intel_fb);
}
@@ -4416,9 +4575,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj);
if (ret) {
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(obj);
return NULL;
}
@@ -4466,6 +4623,91 @@ err_unref:
return NULL;
}
+void ironlake_enable_drps(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 rgvmodectl = I915_READ(MEMMODECTL), rgvswctl;
+ u8 fmax, fmin, fstart, vstart;
+ int i = 0;
+
+ /* 100ms RC evaluation intervals */
+ I915_WRITE(RCUPEI, 100000);
+ I915_WRITE(RCDNEI, 100000);
+
+ /* Set max/min thresholds to 90ms and 80ms respectively */
+ I915_WRITE(RCBMAXAVG, 90000);
+ I915_WRITE(RCBMINAVG, 80000);
+
+ I915_WRITE(MEMIHYST, 1);
+
+ /* Set up min, max, and cur for interrupt handling */
+ fmax = (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT;
+ fmin = (rgvmodectl & MEMMODE_FMIN_MASK);
+ fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >>
+ MEMMODE_FSTART_SHIFT;
+ vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >>
+ PXVFREQ_PX_SHIFT;
+
+ dev_priv->max_delay = fstart; /* can't go to fmax w/o IPS */
+ dev_priv->min_delay = fmin;
+ dev_priv->cur_delay = fstart;
+
+ I915_WRITE(MEMINTREN, MEMINT_CX_SUPR_EN | MEMINT_EVAL_CHG_EN);
+
+ /*
+ * Interrupts will be enabled in ironlake_irq_postinstall
+ */
+
+ I915_WRITE(VIDSTART, vstart);
+ POSTING_READ(VIDSTART);
+
+ rgvmodectl |= MEMMODE_SWMODE_EN;
+ I915_WRITE(MEMMODECTL, rgvmodectl);
+
+ while (I915_READ(MEMSWCTL) & MEMCTL_CMD_STS) {
+ if (i++ > 100) {
+ DRM_ERROR("stuck trying to change perf mode\n");
+ break;
+ }
+ msleep(1);
+ }
+ msleep(1);
+
+ rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+ (fstart << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+ POSTING_READ(MEMSWCTL);
+
+ rgvswctl |= MEMCTL_CMD_STS;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+}
+
+void ironlake_disable_drps(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 rgvswctl;
+ u8 fstart;
+
+ /* Ack interrupts, disable EFC interrupt */
+ I915_WRITE(MEMINTREN, I915_READ(MEMINTREN) & ~MEMINT_EVAL_CHG_EN);
+ I915_WRITE(MEMINTRSTS, MEMINT_EVAL_CHG);
+ I915_WRITE(DEIER, I915_READ(DEIER) & ~DE_PCU_EVENT);
+ I915_WRITE(DEIIR, DE_PCU_EVENT);
+ I915_WRITE(DEIMR, I915_READ(DEIMR) | DE_PCU_EVENT);
+
+ /* Go back to the starting frequency */
+ fstart = (I915_READ(MEMMODECTL) & MEMMODE_FSTART_MASK) >>
+ MEMMODE_FSTART_SHIFT;
+ rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+ (fstart << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+ msleep(1);
+ rgvswctl |= MEMCTL_CMD_STS;
+ I915_WRITE(MEMSWCTL, rgvswctl);
+ msleep(1);
+
+}
+
void intel_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4474,7 +4716,7 @@ void intel_init_clock_gating(struct drm_device *dev)
* Disable clock gating reported to work incorrectly according to the
* specs, but enable as much else as we can.
*/
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
return;
} else if (IS_G4X(dev)) {
uint32_t dspclk_gate;
@@ -4547,7 +4789,7 @@ static void intel_init_display(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
/* We always want a DPMS function */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
dev_priv->display.dpms = ironlake_crtc_dpms;
else
dev_priv->display.dpms = i9xx_crtc_dpms;
@@ -4590,7 +4832,7 @@ static void intel_init_display(struct drm_device *dev)
i830_get_display_clock_speed;
/* For FIFO watermark updates */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
dev_priv->display.update_wm = NULL;
else if (IS_G4X(dev))
dev_priv->display.update_wm = g4x_update_wm;
@@ -4649,11 +4891,6 @@ void intel_modeset_init(struct drm_device *dev)
DRM_DEBUG_KMS("%d display pipe%s available.\n",
num_pipe, num_pipe > 1 ? "s" : "");
- if (IS_I85X(dev))
- pci_read_config_word(dev->pdev, HPLLCC, &dev_priv->orig_clock);
- else if (IS_I9XX(dev) || IS_G4X(dev))
- pci_read_config_word(dev->pdev, GCFGC, &dev_priv->orig_clock);
-
for (i = 0; i < num_pipe; i++) {
intel_crtc_init(dev, i);
}
@@ -4662,6 +4899,9 @@ void intel_modeset_init(struct drm_device *dev)
intel_init_clock_gating(dev);
+ if (IS_IRONLAKE_M(dev))
+ ironlake_enable_drps(dev);
+
INIT_WORK(&dev_priv->idle_work, intel_idle_update);
setup_timer(&dev_priv->idle_timer, intel_gpu_idle_timer,
(unsigned long)dev);
@@ -4709,6 +4949,9 @@ void intel_modeset_cleanup(struct drm_device *dev)
drm_gem_object_unreference(dev_priv->pwrctx);
}
+ if (IS_IRONLAKE_M(dev))
+ ironlake_disable_drps(dev);
+
mutex_unlock(&dev->struct_mutex);
drm_mode_config_cleanup(dev);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-24 12:28:17 +0000