diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 144 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 8 |
2 files changed, 99 insertions, 53 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 132314e..ca3b8a8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -43,6 +43,7 @@ bool intel_pipe_has_type (struct drm_crtc *crtc, int type); static void intel_update_watermarks(struct drm_device *dev); static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule); +static void intel_crtc_update_cursor(struct drm_crtc *crtc); typedef struct { /* given values */ @@ -3575,6 +3576,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, return -EINVAL; } + /* Ensure that the cursor is valid for the new mode before changing... */ + intel_crtc_update_cursor(crtc); + if (is_lvds && dev_priv->lvds_downclock_avail) { has_reduced_clock = limit->find_pll(limit, crtc, dev_priv->lvds_downclock, @@ -4111,6 +4115,85 @@ void intel_crtc_load_lut(struct drm_crtc *crtc) } } +/* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ +static void intel_crtc_update_cursor(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + int pipe = intel_crtc->pipe; + int x = intel_crtc->cursor_x; + int y = intel_crtc->cursor_y; + uint32_t base, pos; + bool visible; + + pos = 0; + + if (crtc->fb) { + base = intel_crtc->cursor_addr; + if (x > (int) crtc->fb->width) + base = 0; + + if (y > (int) crtc->fb->height) + base = 0; + } else + base = 0; + + if (x < 0) { + if (x + intel_crtc->cursor_width < 0) + base = 0; + + pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; + x = -x; + } + pos |= x << CURSOR_X_SHIFT; + + if (y < 0) { + if (y + intel_crtc->cursor_height < 0) + base = 0; + + pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; + y = -y; + } + pos |= y << CURSOR_Y_SHIFT; + + visible = base != 0; + if (!visible && !intel_crtc->cursor_visble) + return; + + I915_WRITE(pipe == 0 ? CURAPOS : CURBPOS, pos); + if (intel_crtc->cursor_visble != visible) { + uint32_t cntl = I915_READ(pipe == 0 ? CURACNTR : CURBCNTR); + if (base) { + /* Hooray for CUR*CNTR differences */ + if (IS_MOBILE(dev) || IS_I9XX(dev)) { + cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT); + cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; + cntl |= pipe << 28; /* Connect to correct pipe */ + } else { + cntl &= ~(CURSOR_FORMAT_MASK); + cntl |= CURSOR_ENABLE; + cntl |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE; + } + } else { + if (IS_MOBILE(dev) || IS_I9XX(dev)) { + cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); + cntl |= CURSOR_MODE_DISABLE; + } else { + cntl &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE); + } + } + I915_WRITE(pipe == 0 ? CURACNTR : CURBCNTR, cntl); + + intel_crtc->cursor_visble = visible; + } + /* and commit changes on next vblank */ + I915_WRITE(pipe == 0 ? CURABASE : CURBBASE, base); + + if (visible) + intel_mark_busy(dev, to_intel_framebuffer(crtc->fb)->obj); +} + static int intel_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, @@ -4121,11 +4204,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct drm_gem_object *bo; struct drm_i915_gem_object *obj_priv; - int pipe = intel_crtc->pipe; - uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR; - uint32_t base = (pipe == 0) ? CURABASE : CURBBASE; - uint32_t temp = I915_READ(control); - size_t addr; + uint32_t addr; int ret; DRM_DEBUG_KMS("\n"); @@ -4133,12 +4212,6 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, /* if we want to turn off the cursor ignore width and height */ if (!handle) { DRM_DEBUG_KMS("cursor off\n"); - if (IS_MOBILE(dev) || IS_I9XX(dev)) { - temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); - temp |= CURSOR_MODE_DISABLE; - } else { - temp &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE); - } addr = 0; bo = NULL; mutex_lock(&dev->struct_mutex); @@ -4180,7 +4253,8 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, addr = obj_priv->gtt_offset; } else { - ret = i915_gem_attach_phys_object(dev, bo, (pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1); + ret = i915_gem_attach_phys_object(dev, bo, + (intel_crtc->pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1); if (ret) { DRM_ERROR("failed to attach phys object\n"); goto fail_locked; @@ -4191,21 +4265,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, if (!IS_I9XX(dev)) I915_WRITE(CURSIZE, (height << 12) | width); - /* Hooray for CUR*CNTR differences */ - if (IS_MOBILE(dev) || IS_I9XX(dev)) { - temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT); - temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; - temp |= (pipe << 28); /* Connect to correct pipe */ - } else { - temp &= ~(CURSOR_FORMAT_MASK); - temp |= CURSOR_ENABLE; - temp |= CURSOR_FORMAT_ARGB | CURSOR_GAMMA_ENABLE; - } - finish: - I915_WRITE(control, temp); - I915_WRITE(base, addr); - if (intel_crtc->cursor_bo) { if (dev_priv->info->cursor_needs_physical) { if (intel_crtc->cursor_bo != bo) @@ -4219,6 +4279,10 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, intel_crtc->cursor_addr = addr; intel_crtc->cursor_bo = bo; + intel_crtc->cursor_width = width; + intel_crtc->cursor_height = height; + + intel_crtc_update_cursor(crtc); return 0; fail_unpin: @@ -4232,34 +4296,12 @@ fail: static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) { - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_framebuffer *intel_fb; - int pipe = intel_crtc->pipe; - uint32_t temp = 0; - uint32_t adder; - - if (crtc->fb) { - intel_fb = to_intel_framebuffer(crtc->fb); - intel_mark_busy(dev, intel_fb->obj); - } - - if (x < 0) { - temp |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; - x = -x; - } - if (y < 0) { - temp |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; - y = -y; - } - temp |= x << CURSOR_X_SHIFT; - temp |= y << CURSOR_Y_SHIFT; + intel_crtc->cursor_x = x; + intel_crtc->cursor_y = y; - adder = intel_crtc->cursor_addr; - I915_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp); - I915_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder); + intel_crtc_update_cursor(crtc); return 0; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 296933a..b219014 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -143,8 +143,6 @@ struct intel_crtc { struct drm_crtc base; enum pipe pipe; enum plane plane; - struct drm_gem_object *cursor_bo; - uint32_t cursor_addr; u8 lut_r[256], lut_g[256], lut_b[256]; int dpms_mode; bool busy; /* is scanout buffer being updated frequently? */ @@ -153,6 +151,12 @@ struct intel_crtc { struct intel_overlay *overlay; struct intel_unpin_work *unpin_work; int fdi_lanes; + + struct drm_gem_object *cursor_bo; + uint32_t cursor_addr; + int16_t cursor_x, cursor_y; + int16_t cursor_width, cursor_height; + bool cursor_visble; }; #define to_intel_crtc(x) container_of(x, struct intel_crtc, base) |