]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/gpu/drm/i915/intel_pm.c
Merge tag 'omapdrm-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux...
[karo-tx-linux.git] / drivers / gpu / drm / i915 / intel_pm.c
index bbd6503a4cf5bf5d4d01c0f2919dcd5d1559f283..d77cc81900f92100ba2f61d7130bc9b0b60454b5 100644 (file)
@@ -461,7 +461,7 @@ void intel_update_fbc(struct drm_device *dev)
        const struct drm_display_mode *adjusted_mode;
        unsigned int max_width, max_height;
 
-       if (!I915_HAS_FBC(dev)) {
+       if (!HAS_FBC(dev)) {
                set_no_fbc_reason(dev_priv, FBC_UNSUPPORTED);
                return;
        }
@@ -824,7 +824,7 @@ static int i9xx_get_fifo_size(struct drm_device *dev, int plane)
        return size;
 }
 
-static int i85x_get_fifo_size(struct drm_device *dev, int plane)
+static int i830_get_fifo_size(struct drm_device *dev, int plane)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
        uint32_t dsparb = I915_READ(DSPARB);
@@ -857,21 +857,6 @@ static int i845_get_fifo_size(struct drm_device *dev, int plane)
        return size;
 }
 
-static int i830_get_fifo_size(struct drm_device *dev, int plane)
-{
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       uint32_t dsparb = I915_READ(DSPARB);
-       int size;
-
-       size = dsparb & 0x7f;
-       size >>= 1; /* Convert to cachelines */
-
-       DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
-                     plane ? "B" : "A", size);
-
-       return size;
-}
-
 /* Pineview has different values for various configs */
 static const struct intel_watermark_params pineview_display_wm = {
        PINEVIEW_DISPLAY_FIFO,
@@ -950,14 +935,14 @@ static const struct intel_watermark_params i915_wm_info = {
        2,
        I915_FIFO_LINE_SIZE
 };
-static const struct intel_watermark_params i855_wm_info = {
+static const struct intel_watermark_params i830_wm_info = {
        I855GM_FIFO_SIZE,
        I915_MAX_WM,
        1,
        2,
        I830_FIFO_LINE_SIZE
 };
-static const struct intel_watermark_params i830_wm_info = {
+static const struct intel_watermark_params i845_wm_info = {
        I830_FIFO_SIZE,
        I915_MAX_WM,
        1,
@@ -1128,7 +1113,7 @@ static bool g4x_compute_wm0(struct drm_device *dev,
 
        adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
        clock = adjusted_mode->crtc_clock;
-       htotal = adjusted_mode->htotal;
+       htotal = adjusted_mode->crtc_htotal;
        hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
        pixel_size = crtc->fb->bits_per_pixel / 8;
 
@@ -1215,7 +1200,7 @@ static bool g4x_compute_srwm(struct drm_device *dev,
        crtc = intel_get_crtc_for_plane(dev, plane);
        adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
        clock = adjusted_mode->crtc_clock;
-       htotal = adjusted_mode->htotal;
+       htotal = adjusted_mode->crtc_htotal;
        hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
        pixel_size = crtc->fb->bits_per_pixel / 8;
 
@@ -1446,7 +1431,7 @@ static void i965_update_wm(struct drm_crtc *unused_crtc)
                const struct drm_display_mode *adjusted_mode =
                        &to_intel_crtc(crtc)->config.adjusted_mode;
                int clock = adjusted_mode->crtc_clock;
-               int htotal = adjusted_mode->htotal;
+               int htotal = adjusted_mode->crtc_htotal;
                int hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
                int pixel_size = crtc->fb->bits_per_pixel / 8;
                unsigned long line_time_us;
@@ -1515,7 +1500,7 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc)
        else if (!IS_GEN2(dev))
                wm_info = &i915_wm_info;
        else
-               wm_info = &i855_wm_info;
+               wm_info = &i830_wm_info;
 
        fifo_size = dev_priv->display.get_fifo_size(dev, 0);
        crtc = intel_get_crtc_for_plane(dev, 0);
@@ -1563,7 +1548,7 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc)
        if (IS_I945G(dev) || IS_I945GM(dev))
                I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | 0);
        else if (IS_I915GM(dev))
-               I915_WRITE(INSTPM, I915_READ(INSTPM) & ~INSTPM_SELF_EN);
+               I915_WRITE(INSTPM, _MASKED_BIT_DISABLE(INSTPM_SELF_EN));
 
        /* Calc sr entries for one plane configs */
        if (HAS_FW_BLC(dev) && enabled) {
@@ -1572,7 +1557,7 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc)
                const struct drm_display_mode *adjusted_mode =
                        &to_intel_crtc(enabled)->config.adjusted_mode;
                int clock = adjusted_mode->crtc_clock;
-               int htotal = adjusted_mode->htotal;
+               int htotal = adjusted_mode->crtc_htotal;
                int hdisplay = to_intel_crtc(enabled)->config.pipe_src_w;
                int pixel_size = enabled->fb->bits_per_pixel / 8;
                unsigned long line_time_us;
@@ -1615,14 +1600,14 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc)
                                I915_WRITE(FW_BLC_SELF,
                                           FW_BLC_SELF_EN_MASK | FW_BLC_SELF_EN);
                        else if (IS_I915GM(dev))
-                               I915_WRITE(INSTPM, I915_READ(INSTPM) | INSTPM_SELF_EN);
+                               I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_SELF_EN));
                        DRM_DEBUG_KMS("memory self refresh enabled\n");
                } else
                        DRM_DEBUG_KMS("memory self refresh disabled\n");
        }
 }
 
-static void i830_update_wm(struct drm_crtc *unused_crtc)
+static void i845_update_wm(struct drm_crtc *unused_crtc)
 {
        struct drm_device *dev = unused_crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1637,7 +1622,7 @@ static void i830_update_wm(struct drm_crtc *unused_crtc)
 
        adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
        planea_wm = intel_calculate_wm(adjusted_mode->crtc_clock,
-                                      &i830_wm_info,
+                                      &i845_wm_info,
                                       dev_priv->display.get_fifo_size(dev, 0),
                                       4, latency_ns);
        fwater_lo = I915_READ(FW_BLC) & ~0xfff;
@@ -2000,8 +1985,9 @@ hsw_compute_linetime_wm(struct drm_device *dev, struct drm_crtc *crtc)
        /* The WM are computed with base on how long it takes to fill a single
         * row at the given clock rate, multiplied by 8.
         * */
-       linetime = DIV_ROUND_CLOSEST(mode->htotal * 1000 * 8, mode->clock);
-       ips_linetime = DIV_ROUND_CLOSEST(mode->htotal * 1000 * 8,
+       linetime = DIV_ROUND_CLOSEST(mode->crtc_htotal * 1000 * 8,
+                                    mode->crtc_clock);
+       ips_linetime = DIV_ROUND_CLOSEST(mode->crtc_htotal * 1000 * 8,
                                         intel_ddi_get_cdclk_freq(dev_priv));
 
        return PIPE_WM_LINETIME_IPS_LINETIME(ips_linetime) |
@@ -2012,7 +1998,7 @@ static void intel_read_wm_latency(struct drm_device *dev, uint16_t wm[5])
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
-       if (IS_HASWELL(dev)) {
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
                uint64_t sskpd = I915_READ64(MCH_SSKPD);
 
                wm[0] = (sskpd >> 56) & 0xFF;
@@ -2060,7 +2046,7 @@ static void intel_fixup_cur_wm_latency(struct drm_device *dev, uint16_t wm[5])
 static int ilk_wm_max_level(const struct drm_device *dev)
 {
        /* how many WM levels are we expecting */
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                return 4;
        else if (INTEL_INFO(dev)->gen >= 6)
                return 3;
@@ -2123,7 +2109,7 @@ static void ilk_compute_wm_parameters(struct drm_crtc *crtc,
 
        p->active = intel_crtc_active(crtc);
        if (p->active) {
-               p->pipe_htotal = intel_crtc->config.adjusted_mode.htotal;
+               p->pipe_htotal = intel_crtc->config.adjusted_mode.crtc_htotal;
                p->pixel_rate = ilk_pipe_pixel_rate(dev, crtc);
                p->pri.bytes_per_pixel = crtc->fb->bits_per_pixel / 8;
                p->cur.bytes_per_pixel = 4;
@@ -2179,7 +2165,7 @@ static bool intel_compute_pipe_wm(struct drm_crtc *crtc,
                ilk_compute_wm_level(dev_priv, level, params,
                                     &pipe_wm->wm[level]);
 
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                pipe_wm->linetime = hsw_compute_linetime_wm(dev, crtc);
 
        /* At least LP0 must be valid */
@@ -2274,7 +2260,7 @@ static unsigned int ilk_wm_lp_latency(struct drm_device *dev, int level)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                return 2 * level;
        else
                return dev_priv->wm.pri_latency[level];
@@ -2489,7 +2475,7 @@ static void ilk_write_wm_values(struct drm_i915_private *dev_priv,
                I915_WRITE(PIPE_WM_LINETIME(PIPE_C), results->wm_linetime[2]);
 
        if (dirty & WM_DIRTY_DDB) {
-               if (IS_HASWELL(dev)) {
+               if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
                        val = I915_READ(WM_MISC);
                        if (results->partitioning == INTEL_DDB_PART_1_2)
                                val &= ~WM_MISC_DATA_PARTITION_5_6;
@@ -2628,7 +2614,7 @@ static void ilk_pipe_wm_get_hw_state(struct drm_crtc *crtc)
        };
 
        hw->wm_pipe[pipe] = I915_READ(wm0_pipe_reg[pipe]);
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                hw->wm_linetime[pipe] = I915_READ(PIPE_WM_LINETIME(pipe));
 
        if (intel_crtc_active(crtc)) {
@@ -2675,7 +2661,7 @@ void ilk_wm_get_hw_state(struct drm_device *dev)
        hw->wm_lp_spr[1] = I915_READ(WM2S_LP_IVB);
        hw->wm_lp_spr[2] = I915_READ(WM3S_LP_IVB);
 
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                hw->partitioning = (I915_READ(WM_MISC) & WM_MISC_DATA_PARTITION_5_6) ?
                        INTEL_DDB_PART_5_6 : INTEL_DDB_PART_1_2;
        else if (IS_IVYBRIDGE(dev))
@@ -5541,7 +5527,7 @@ void intel_init_pm(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
-       if (I915_HAS_FBC(dev)) {
+       if (HAS_FBC(dev)) {
                if (INTEL_INFO(dev)->gen >= 7) {
                        dev_priv->display.fbc_enabled = ironlake_fbc_enabled;
                        dev_priv->display.enable_fbc = gen7_enable_fbc;
@@ -5574,62 +5560,27 @@ void intel_init_pm(struct drm_device *dev)
        if (HAS_PCH_SPLIT(dev)) {
                intel_setup_wm_latency(dev);
 
-               if (IS_GEN5(dev)) {
-                       if (dev_priv->wm.pri_latency[1] &&
-                           dev_priv->wm.spr_latency[1] &&
-                           dev_priv->wm.cur_latency[1]) {
-                               dev_priv->display.update_wm = ilk_update_wm;
-                               dev_priv->display.update_sprite_wm =
-                                       ilk_update_sprite_wm;
-                       } else {
-                               DRM_DEBUG_KMS("Failed to get proper latency. "
-                                             "Disable CxSR\n");
-                               dev_priv->display.update_wm = NULL;
-                       }
+               if ((IS_GEN5(dev) && dev_priv->wm.pri_latency[1] &&
+                    dev_priv->wm.spr_latency[1] && dev_priv->wm.cur_latency[1]) ||
+                   (!IS_GEN5(dev) && dev_priv->wm.pri_latency[0] &&
+                    dev_priv->wm.spr_latency[0] && dev_priv->wm.cur_latency[0])) {
+                       dev_priv->display.update_wm = ilk_update_wm;
+                       dev_priv->display.update_sprite_wm = ilk_update_sprite_wm;
+               } else {
+                       DRM_DEBUG_KMS("Failed to read display plane latency. "
+                                     "Disable CxSR\n");
+               }
+
+               if (IS_GEN5(dev))
                        dev_priv->display.init_clock_gating = ironlake_init_clock_gating;
-               } else if (IS_GEN6(dev)) {
-                       if (dev_priv->wm.pri_latency[0] &&
-                           dev_priv->wm.spr_latency[0] &&
-                           dev_priv->wm.cur_latency[0]) {
-                               dev_priv->display.update_wm = ilk_update_wm;
-                               dev_priv->display.update_sprite_wm =
-                                       ilk_update_sprite_wm;
-                       } else {
-                               DRM_DEBUG_KMS("Failed to read display plane latency. "
-                                             "Disable CxSR\n");
-                               dev_priv->display.update_wm = NULL;
-                       }
+               else if (IS_GEN6(dev))
                        dev_priv->display.init_clock_gating = gen6_init_clock_gating;
-               } else if (IS_IVYBRIDGE(dev)) {
-                       if (dev_priv->wm.pri_latency[0] &&
-                           dev_priv->wm.spr_latency[0] &&
-                           dev_priv->wm.cur_latency[0]) {
-                               dev_priv->display.update_wm = ilk_update_wm;
-                               dev_priv->display.update_sprite_wm =
-                                       ilk_update_sprite_wm;
-                       } else {
-                               DRM_DEBUG_KMS("Failed to read display plane latency. "
-                                             "Disable CxSR\n");
-                               dev_priv->display.update_wm = NULL;
-                       }
+               else if (IS_IVYBRIDGE(dev))
                        dev_priv->display.init_clock_gating = ivybridge_init_clock_gating;
-               } else if (IS_HASWELL(dev)) {
-                       if (dev_priv->wm.pri_latency[0] &&
-                           dev_priv->wm.spr_latency[0] &&
-                           dev_priv->wm.cur_latency[0]) {
-                               dev_priv->display.update_wm = ilk_update_wm;
-                               dev_priv->display.update_sprite_wm =
-                                       ilk_update_sprite_wm;
-                       } else {
-                               DRM_DEBUG_KMS("Failed to read display plane latency. "
-                                             "Disable CxSR\n");
-                               dev_priv->display.update_wm = NULL;
-                       }
+               else if (IS_HASWELL(dev))
                        dev_priv->display.init_clock_gating = haswell_init_clock_gating;
-               } else if (INTEL_INFO(dev)->gen == 8) {
+               else if (INTEL_INFO(dev)->gen == 8)
                        dev_priv->display.init_clock_gating = gen8_init_clock_gating;
-               } else
-                       dev_priv->display.update_wm = NULL;
        } else if (IS_VALLEYVIEW(dev)) {
                dev_priv->display.update_wm = valleyview_update_wm;
                dev_priv->display.init_clock_gating =
@@ -5663,21 +5614,21 @@ void intel_init_pm(struct drm_device *dev)
                dev_priv->display.update_wm = i9xx_update_wm;
                dev_priv->display.get_fifo_size = i9xx_get_fifo_size;
                dev_priv->display.init_clock_gating = gen3_init_clock_gating;
-       } else if (IS_I865G(dev)) {
-               dev_priv->display.update_wm = i830_update_wm;
-               dev_priv->display.init_clock_gating = i85x_init_clock_gating;
-               dev_priv->display.get_fifo_size = i830_get_fifo_size;
-       } else if (IS_I85X(dev)) {
-               dev_priv->display.update_wm = i9xx_update_wm;
-               dev_priv->display.get_fifo_size = i85x_get_fifo_size;
-               dev_priv->display.init_clock_gating = i85x_init_clock_gating;
-       } else {
-               dev_priv->display.update_wm = i830_update_wm;
-               dev_priv->display.init_clock_gating = i830_init_clock_gating;
-               if (IS_845G(dev))
+       } else if (IS_GEN2(dev)) {
+               if (INTEL_INFO(dev)->num_pipes == 1) {
+                       dev_priv->display.update_wm = i845_update_wm;
                        dev_priv->display.get_fifo_size = i845_get_fifo_size;
-               else
+               } else {
+                       dev_priv->display.update_wm = i9xx_update_wm;
                        dev_priv->display.get_fifo_size = i830_get_fifo_size;
+               }
+
+               if (IS_I85X(dev) || IS_I865G(dev))
+                       dev_priv->display.init_clock_gating = i85x_init_clock_gating;
+               else
+                       dev_priv->display.init_clock_gating = i830_init_clock_gating;
+       } else {
+               DRM_ERROR("unexpected fall-through in intel_init_pm\n");
        }
 }
 
@@ -5772,10 +5723,19 @@ int vlv_freq_opcode(struct drm_i915_private *dev_priv, int val)
        return DIV_ROUND_CLOSEST(4 * mul * val, dev_priv->mem_freq) + 0xbd - 6;
 }
 
-void intel_pm_init(struct drm_device *dev)
+void intel_pm_setup(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
+       mutex_init(&dev_priv->rps.hw_lock);
+
+       mutex_init(&dev_priv->pc8.lock);
+       dev_priv->pc8.requirements_met = false;
+       dev_priv->pc8.gpu_idle = false;
+       dev_priv->pc8.irqs_disabled = false;
+       dev_priv->pc8.enabled = false;
+       dev_priv->pc8.disable_count = 2; /* requirements_met + gpu_idle */
+       INIT_DELAYED_WORK(&dev_priv->pc8.enable_work, hsw_enable_pc8_work);
        INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work,
                          intel_gen6_powersave_work);
 }