if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE)
state = true;
- if (IS_HASWELL(dev_priv->dev) && cpu_transcoder != TRANSCODER_EDP &&
- !(I915_READ(HSW_PWR_WELL_DRIVER) & HSW_PWR_WELL_ENABLE)) {
+ if (!intel_using_power_well(dev_priv->dev) &&
+ cpu_transcoder != TRANSCODER_EDP) {
cur_state = false;
} else {
reg = PIPECONF(cpu_transcoder);
alignment = 0;
break;
case I915_TILING_Y:
- /* FIXME: Is this true? */
- DRM_ERROR("Y tiled not allowed for scan out buffers\n");
+ /* Despite that we check this in framebuffer_init userspace can
+ * screw us over and change the tiling after the fact. Only
+ * pinned buffers can't change their tiling. */
+ DRM_DEBUG_DRIVER("Y tiled not allowed for scan out buffers\n");
return -EINVAL;
default:
BUG();
intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
- /* Disable PF */
- I915_WRITE(PF_CTL(pipe), 0);
- I915_WRITE(PF_WIN_SZ(pipe), 0);
+ /* XXX: Once we have proper panel fitter state tracking implemented with
+ * hardware state read/check support we should switch to only disable
+ * the panel fitter when we know it's used. */
+ if (intel_using_power_well(dev)) {
+ I915_WRITE(PF_CTL(pipe), 0);
+ I915_WRITE(PF_WIN_SZ(pipe), 0);
+ }
intel_ddi_disable_pipe_clock(intel_crtc);
encoder->enable(encoder);
}
+static void i9xx_pfit_disable(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ enum pipe pipe;
+ uint32_t pctl = I915_READ(PFIT_CONTROL);
+
+ assert_pipe_disabled(dev_priv, crtc->pipe);
+
+ if (INTEL_INFO(dev)->gen >= 4)
+ pipe = (pctl & PFIT_PIPE_MASK) >> PFIT_PIPE_SHIFT;
+ else
+ pipe = PIPE_B;
+
+ if (pipe == crtc->pipe) {
+ DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", pctl);
+ I915_WRITE(PFIT_CONTROL, 0);
+ }
+}
+
static void i9xx_crtc_disable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
- u32 pctl;
-
if (!intel_crtc->active)
return;
intel_disable_plane(dev_priv, plane, pipe);
intel_disable_pipe(dev_priv, pipe);
- /* Disable pannel fitter if it is on this pipe. */
- pctl = I915_READ(PFIT_CONTROL);
- if ((pctl & PFIT_ENABLE) &&
- ((pctl & PFIT_PIPE_MASK) >> PFIT_PIPE_SHIFT) == pipe)
- I915_WRITE(PFIT_CONTROL, 0);
+ i9xx_pfit_disable(intel_crtc);
intel_disable_pll(dev_priv, pipe);
tmp |= (0x12 << 24);
intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY);
- if (!is_sdv) {
- tmp = intel_sbi_read(dev_priv, 0x808C, SBI_MPHY);
- tmp &= ~(0x3 << 6);
- tmp |= (1 << 6) | (1 << 0);
- intel_sbi_write(dev_priv, 0x808C, tmp, SBI_MPHY);
- }
-
if (is_sdv) {
tmp = intel_sbi_read(dev_priv, 0x800C, SBI_MPHY);
tmp |= 0x7FFF;
}
static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
- intel_clock_t *clock, u32 *fp)
+ intel_clock_t *clock, u32 *fp,
+ intel_clock_t *reduced_clock, u32 *fp2)
{
struct drm_crtc *crtc = &intel_crtc->base;
struct drm_device *dev = crtc->dev;
if (clock->m < factor * clock->n)
*fp |= FP_CB_TUNE;
+ if (fp2 && (reduced_clock->m < factor * reduced_clock->n))
+ *fp2 |= FP_CB_TUNE;
+
dpll = 0;
if (is_lvds)
fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 |
reduced_clock.m2;
- dpll = ironlake_compute_dpll(intel_crtc, &clock, &fp);
+ dpll = ironlake_compute_dpll(intel_crtc, &clock, &fp, &reduced_clock,
+ has_reduced_clock ? &fp2 : NULL);
DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe);
drm_mode_debug_printmodeline(mode);
if (crtc->enabled)
*prepare_pipes |= 1 << intel_crtc->pipe;
- /* We only support modeset on one single crtc, hence we need to do that
- * only for the passed in crtc iff we change anything else than just
- * disable crtcs.
- *
- * This is actually not true, to be fully compatible with the old crtc
- * helper we automatically disable _any_ output (i.e. doesn't need to be
- * connected to the crtc we're modesetting on) if it's disconnected.
- * Which is a rather nutty api (since changed the output configuration
- * without userspace's explicit request can lead to confusion), but
- * alas. Hence we currently need to modeset on all pipes we prepare. */
+ /*
+ * For simplicity do a full modeset on any pipe where the output routing
+ * changed. We could be more clever, but that would require us to be
+ * more careful with calling the relevant encoder->mode_set functions.
+ */
if (*prepare_pipes)
*modeset_pipes = *prepare_pipes;
/* ... and mask these out. */
*modeset_pipes &= ~(*disable_pipes);
*prepare_pipes &= ~(*disable_pipes);
+
+ /*
+ * HACK: We don't (yet) fully support global modesets. intel_set_config
+ * obies this rule, but the modeset restore mode of
+ * intel_modeset_setup_hw_state does not.
+ */
+ *modeset_pipes &= 1 << intel_crtc->pipe;
+ *prepare_pipes &= 1 << intel_crtc->pipe;
}
static bool intel_crtc_in_use(struct drm_crtc *crtc)
}
}
-int intel_set_mode(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- int x, int y, struct drm_framebuffer *fb)
+static int __intel_set_mode(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ int x, int y, struct drm_framebuffer *fb)
{
struct drm_device *dev = crtc->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
if (ret && crtc->enabled) {
crtc->hwmode = *saved_hwmode;
crtc->mode = *saved_mode;
- } else {
- intel_modeset_check_state(dev);
}
out:
return ret;
}
+int intel_set_mode(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ int x, int y, struct drm_framebuffer *fb)
+{
+ int ret;
+
+ ret = __intel_set_mode(crtc, mode, x, y, fb);
+
+ if (ret == 0)
+ intel_modeset_check_state(crtc->dev);
+
+ return ret;
+}
+
void intel_crtc_restore_mode(struct drm_crtc *crtc)
{
intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->fb);
I915_WRITE(PFIT_CONTROL, 0);
}
- if (!(HAS_DDI(dev) && (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES)))
+ if (!IS_ULT(dev))
intel_crt_init(dev);
if (HAS_DDI(dev)) {
}
if (force_restore) {
+ /*
+ * We need to use raw interfaces for restoring state to avoid
+ * checking (bogus) intermediate states.
+ */
for_each_pipe(pipe) {
struct drm_crtc *crtc =
dev_priv->pipe_to_crtc_mapping[pipe];
- intel_crtc_restore_mode(crtc);
+
+ __intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y,
+ crtc->fb);
}
list_for_each_entry(plane, &dev->mode_config.plane_list, head)
intel_plane_restore(plane);
/* flush any delayed tasks or pending work */
flush_scheduled_work();
+ /* destroy backlight, if any, before the connectors */
+ intel_panel_destroy_backlight(dev);
+
drm_mode_config_cleanup(dev);
intel_cleanup_overlay(dev);
projects / karo-tx-linux.git / blobdiff