Commit 04cef3ea authored by Dave Airlie's avatar Dave Airlie

Merge tag 'drm-intel-fixes-2018-01-18' of...

Merge tag 'drm-intel-fixes-2018-01-18' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

Display corruption regression bugfix with both a prep patch and a
follow-up fix

* tag 'drm-intel-fixes-2018-01-18' of git://anongit.freedesktop.org/drm/drm-intel:
  drm/i915: Fix deadlock in i830_disable_pipe()
  drm/i915: Redo plane sanitation during readout
  drm/i915: Add .get_hw_state() method for planes
parents ee62249d 4488496d
......@@ -1211,23 +1211,6 @@ void assert_panel_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe)
pipe_name(pipe));
}
static void assert_cursor(struct drm_i915_private *dev_priv,
enum pipe pipe, bool state)
{
bool cur_state;
if (IS_I845G(dev_priv) || IS_I865G(dev_priv))
cur_state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE;
else
cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE;
I915_STATE_WARN(cur_state != state,
"cursor on pipe %c assertion failure (expected %s, current %s)\n",
pipe_name(pipe), onoff(state), onoff(cur_state));
}
#define assert_cursor_enabled(d, p) assert_cursor(d, p, true)
#define assert_cursor_disabled(d, p) assert_cursor(d, p, false)
void assert_pipe(struct drm_i915_private *dev_priv,
enum pipe pipe, bool state)
{
......@@ -1255,77 +1238,25 @@ void assert_pipe(struct drm_i915_private *dev_priv,
pipe_name(pipe), onoff(state), onoff(cur_state));
}
static void assert_plane(struct drm_i915_private *dev_priv,
enum plane plane, bool state)
static void assert_plane(struct intel_plane *plane, bool state)
{
u32 val;
bool cur_state;
bool cur_state = plane->get_hw_state(plane);
val = I915_READ(DSPCNTR(plane));
cur_state = !!(val & DISPLAY_PLANE_ENABLE);
I915_STATE_WARN(cur_state != state,
"plane %c assertion failure (expected %s, current %s)\n",
plane_name(plane), onoff(state), onoff(cur_state));
"%s assertion failure (expected %s, current %s)\n",
plane->base.name, onoff(state), onoff(cur_state));
}
#define assert_plane_enabled(d, p) assert_plane(d, p, true)
#define assert_plane_disabled(d, p) assert_plane(d, p, false)
static void assert_planes_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe)
{
int i;
/* Primary planes are fixed to pipes on gen4+ */
if (INTEL_GEN(dev_priv) >= 4) {
u32 val = I915_READ(DSPCNTR(pipe));
I915_STATE_WARN(val & DISPLAY_PLANE_ENABLE,
"plane %c assertion failure, should be disabled but not\n",
plane_name(pipe));
return;
}
#define assert_plane_enabled(p) assert_plane(p, true)
#define assert_plane_disabled(p) assert_plane(p, false)
/* Need to check both planes against the pipe */
for_each_pipe(dev_priv, i) {
u32 val = I915_READ(DSPCNTR(i));
enum pipe cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >>
DISPPLANE_SEL_PIPE_SHIFT;
I915_STATE_WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe,
"plane %c assertion failure, should be off on pipe %c but is still active\n",
plane_name(i), pipe_name(pipe));
}
}
static void assert_sprites_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe)
static void assert_planes_disabled(struct intel_crtc *crtc)
{
int sprite;
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_plane *plane;
if (INTEL_GEN(dev_priv) >= 9) {
for_each_sprite(dev_priv, pipe, sprite) {
u32 val = I915_READ(PLANE_CTL(pipe, sprite));
I915_STATE_WARN(val & PLANE_CTL_ENABLE,
"plane %d assertion failure, should be off on pipe %c but is still active\n",
sprite, pipe_name(pipe));
}
} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
for_each_sprite(dev_priv, pipe, sprite) {
u32 val = I915_READ(SPCNTR(pipe, PLANE_SPRITE0 + sprite));
I915_STATE_WARN(val & SP_ENABLE,
"sprite %c assertion failure, should be off on pipe %c but is still active\n",
sprite_name(pipe, sprite), pipe_name(pipe));
}
} else if (INTEL_GEN(dev_priv) >= 7) {
u32 val = I915_READ(SPRCTL(pipe));
I915_STATE_WARN(val & SPRITE_ENABLE,
"sprite %c assertion failure, should be off on pipe %c but is still active\n",
plane_name(pipe), pipe_name(pipe));
} else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) {
u32 val = I915_READ(DVSCNTR(pipe));
I915_STATE_WARN(val & DVS_ENABLE,
"sprite %c assertion failure, should be off on pipe %c but is still active\n",
plane_name(pipe), pipe_name(pipe));
}
for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane)
assert_plane_disabled(plane);
}
static void assert_vblank_disabled(struct drm_crtc *crtc)
......@@ -1918,9 +1849,7 @@ static void intel_enable_pipe(struct intel_crtc *crtc)
DRM_DEBUG_KMS("enabling pipe %c\n", pipe_name(pipe));
assert_planes_disabled(dev_priv, pipe);
assert_cursor_disabled(dev_priv, pipe);
assert_sprites_disabled(dev_priv, pipe);
assert_planes_disabled(crtc);
/*
* A pipe without a PLL won't actually be able to drive bits from
......@@ -1989,9 +1918,7 @@ static void intel_disable_pipe(struct intel_crtc *crtc)
* Make sure planes won't keep trying to pump pixels to us,
* or we might hang the display.
*/
assert_planes_disabled(dev_priv, pipe);
assert_cursor_disabled(dev_priv, pipe);
assert_sprites_disabled(dev_priv, pipe);
assert_planes_disabled(crtc);
reg = PIPECONF(cpu_transcoder);
val = I915_READ(reg);
......@@ -2820,6 +2747,23 @@ intel_set_plane_visible(struct intel_crtc_state *crtc_state,
crtc_state->active_planes);
}
static void intel_plane_disable_noatomic(struct intel_crtc *crtc,
struct intel_plane *plane)
{
struct intel_crtc_state *crtc_state =
to_intel_crtc_state(crtc->base.state);
struct intel_plane_state *plane_state =
to_intel_plane_state(plane->base.state);
intel_set_plane_visible(crtc_state, plane_state, false);
if (plane->id == PLANE_PRIMARY)
intel_pre_disable_primary_noatomic(&crtc->base);
trace_intel_disable_plane(&plane->base, crtc);
plane->disable_plane(plane, crtc);
}
static void
intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
struct intel_initial_plane_config *plane_config)
......@@ -2877,12 +2821,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
* simplest solution is to just disable the primary plane now and
* pretend the BIOS never had it enabled.
*/
intel_set_plane_visible(to_intel_crtc_state(crtc_state),
to_intel_plane_state(plane_state),
false);
intel_pre_disable_primary_noatomic(&intel_crtc->base);
trace_intel_disable_plane(primary, intel_crtc);
intel_plane->disable_plane(intel_plane, intel_crtc);
intel_plane_disable_noatomic(intel_crtc, intel_plane);
return;
......@@ -3385,6 +3324,31 @@ static void i9xx_disable_primary_plane(struct intel_plane *primary,
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool i9xx_plane_get_hw_state(struct intel_plane *primary)
{
struct drm_i915_private *dev_priv = to_i915(primary->base.dev);
enum intel_display_power_domain power_domain;
enum plane plane = primary->plane;
enum pipe pipe = primary->pipe;
bool ret;
/*
* Not 100% correct for planes that can move between pipes,
* but that's only the case for gen2-4 which don't have any
* display power wells.
*/
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(DSPCNTR(plane)) & DISPLAY_PLANE_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static u32
intel_fb_stride_alignment(const struct drm_framebuffer *fb, int plane)
{
......@@ -4866,7 +4830,8 @@ void hsw_enable_ips(struct intel_crtc *crtc)
* a vblank wait.
*/
assert_plane_enabled(dev_priv, crtc->plane);
assert_plane_enabled(to_intel_plane(crtc->base.primary));
if (IS_BROADWELL(dev_priv)) {
mutex_lock(&dev_priv->pcu_lock);
WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL,
......@@ -4899,7 +4864,8 @@ void hsw_disable_ips(struct intel_crtc *crtc)
if (!crtc->config->ips_enabled)
return;
assert_plane_enabled(dev_priv, crtc->plane);
assert_plane_enabled(to_intel_plane(crtc->base.primary));
if (IS_BROADWELL(dev_priv)) {
mutex_lock(&dev_priv->pcu_lock);
WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0));
......@@ -5899,6 +5865,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc,
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->dev);
enum intel_display_power_domain domain;
struct intel_plane *plane;
u64 domains;
struct drm_atomic_state *state;
struct intel_crtc_state *crtc_state;
......@@ -5907,11 +5874,12 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc,
if (!intel_crtc->active)
return;
if (crtc->primary->state->visible) {
intel_pre_disable_primary_noatomic(crtc);
for_each_intel_plane_on_crtc(&dev_priv->drm, intel_crtc, plane) {
const struct intel_plane_state *plane_state =
to_intel_plane_state(plane->base.state);
intel_crtc_disable_planes(crtc, 1 << drm_plane_index(crtc->primary));
crtc->primary->state->visible = false;
if (plane_state->base.visible)
intel_plane_disable_noatomic(intel_crtc, plane);
}
state = drm_atomic_state_alloc(crtc->dev);
......@@ -9477,6 +9445,23 @@ static void i845_disable_cursor(struct intel_plane *plane,
i845_update_cursor(plane, NULL, NULL);
}
static bool i845_cursor_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
bool ret;
power_domain = POWER_DOMAIN_PIPE(PIPE_A);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static u32 i9xx_cursor_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
......@@ -9670,6 +9655,28 @@ static void i9xx_disable_cursor(struct intel_plane *plane,
i9xx_update_cursor(plane, NULL, NULL);
}
static bool i9xx_cursor_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum pipe pipe = plane->pipe;
bool ret;
/*
* Not 100% correct for planes that can move between pipes,
* but that's only the case for gen2-3 which don't have any
* display power wells.
*/
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(CURCNTR(pipe)) & CURSOR_MODE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
/* VESA 640x480x72Hz mode to set on the pipe */
static const struct drm_display_mode load_detect_mode = {
......@@ -13205,6 +13212,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
primary->update_plane = skl_update_plane;
primary->disable_plane = skl_disable_plane;
primary->get_hw_state = skl_plane_get_hw_state;
} else if (INTEL_GEN(dev_priv) >= 9) {
intel_primary_formats = skl_primary_formats;
num_formats = ARRAY_SIZE(skl_primary_formats);
......@@ -13215,6 +13223,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
primary->update_plane = skl_update_plane;
primary->disable_plane = skl_disable_plane;
primary->get_hw_state = skl_plane_get_hw_state;
} else if (INTEL_GEN(dev_priv) >= 4) {
intel_primary_formats = i965_primary_formats;
num_formats = ARRAY_SIZE(i965_primary_formats);
......@@ -13222,6 +13231,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
primary->update_plane = i9xx_update_primary_plane;
primary->disable_plane = i9xx_disable_primary_plane;
primary->get_hw_state = i9xx_plane_get_hw_state;
} else {
intel_primary_formats = i8xx_primary_formats;
num_formats = ARRAY_SIZE(i8xx_primary_formats);
......@@ -13229,6 +13239,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe)
primary->update_plane = i9xx_update_primary_plane;
primary->disable_plane = i9xx_disable_primary_plane;
primary->get_hw_state = i9xx_plane_get_hw_state;
}
if (INTEL_GEN(dev_priv) >= 9)
......@@ -13318,10 +13329,12 @@ intel_cursor_plane_create(struct drm_i915_private *dev_priv,
if (IS_I845G(dev_priv) || IS_I865G(dev_priv)) {
cursor->update_plane = i845_update_cursor;
cursor->disable_plane = i845_disable_cursor;
cursor->get_hw_state = i845_cursor_get_hw_state;
cursor->check_plane = i845_check_cursor;
} else {
cursor->update_plane = i9xx_update_cursor;
cursor->disable_plane = i9xx_disable_cursor;
cursor->get_hw_state = i9xx_cursor_get_hw_state;
cursor->check_plane = i9xx_check_cursor;
}
......@@ -14671,8 +14684,11 @@ void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
DRM_DEBUG_KMS("disabling pipe %c due to force quirk\n",
pipe_name(pipe));
assert_plane_disabled(dev_priv, PLANE_A);
assert_plane_disabled(dev_priv, PLANE_B);
WARN_ON(I915_READ(DSPCNTR(PLANE_A)) & DISPLAY_PLANE_ENABLE);
WARN_ON(I915_READ(DSPCNTR(PLANE_B)) & DISPLAY_PLANE_ENABLE);
WARN_ON(I915_READ(DSPCNTR(PLANE_C)) & DISPLAY_PLANE_ENABLE);
WARN_ON(I915_READ(CURCNTR(PIPE_A)) & CURSOR_MODE);
WARN_ON(I915_READ(CURCNTR(PIPE_B)) & CURSOR_MODE);
I915_WRITE(PIPECONF(pipe), 0);
POSTING_READ(PIPECONF(pipe));
......@@ -14683,22 +14699,36 @@ void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
POSTING_READ(DPLL(pipe));
}
static bool
intel_check_plane_mapping(struct intel_crtc *crtc)
static bool intel_plane_mapping_ok(struct intel_crtc *crtc,
struct intel_plane *primary)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
u32 val;
enum plane plane = primary->plane;
u32 val = I915_READ(DSPCNTR(plane));
if (INTEL_INFO(dev_priv)->num_pipes == 1)
return true;
return (val & DISPLAY_PLANE_ENABLE) == 0 ||
(val & DISPPLANE_SEL_PIPE_MASK) == DISPPLANE_SEL_PIPE(crtc->pipe);
}
val = I915_READ(DSPCNTR(!crtc->plane));
static void
intel_sanitize_plane_mapping(struct drm_i915_private *dev_priv)
{
struct intel_crtc *crtc;
if ((val & DISPLAY_PLANE_ENABLE) &&
(!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe))
return false;
if (INTEL_GEN(dev_priv) >= 4)
return;
return true;
for_each_intel_crtc(&dev_priv->drm, crtc) {
struct intel_plane *plane =
to_intel_plane(crtc->base.primary);
if (intel_plane_mapping_ok(crtc, plane))
continue;
DRM_DEBUG_KMS("%s attached to the wrong pipe, disabling plane\n",
plane->base.name);
intel_plane_disable_noatomic(crtc, plane);
}
}
static bool intel_crtc_has_encoders(struct intel_crtc *crtc)
......@@ -14754,33 +14784,15 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc,
/* Disable everything but the primary plane */
for_each_intel_plane_on_crtc(dev, crtc, plane) {
if (plane->base.type == DRM_PLANE_TYPE_PRIMARY)
continue;
const struct intel_plane_state *plane_state =
to_intel_plane_state(plane->base.state);
trace_intel_disable_plane(&plane->base, crtc);
plane->disable_plane(plane, crtc);
if (plane_state->base.visible &&
plane->base.type != DRM_PLANE_TYPE_PRIMARY)
intel_plane_disable_noatomic(crtc, plane);
}
}
/* We need to sanitize the plane -> pipe mapping first because this will
* disable the crtc (and hence change the state) if it is wrong. Note
* that gen4+ has a fixed plane -> pipe mapping. */
if (INTEL_GEN(dev_priv) < 4 && !intel_check_plane_mapping(crtc)) {
bool plane;
DRM_DEBUG_KMS("[CRTC:%d:%s] wrong plane connection detected!\n",
crtc->base.base.id, crtc->base.name);
/* Pipe has the wrong plane attached and the plane is active.
* Temporarily change the plane mapping and disable everything
* ... */
plane = crtc->plane;
crtc->base.primary->state->visible = true;
crtc->plane = !plane;
intel_crtc_disable_noatomic(&crtc->base, ctx);
crtc->plane = plane;
}
/* Adjust the state of the output pipe according to whether we
* have active connectors/encoders. */
if (crtc->active && !intel_crtc_has_encoders(crtc))
......@@ -14885,24 +14897,21 @@ void i915_redisable_vga(struct drm_i915_private *dev_priv)
intel_display_power_put(dev_priv, POWER_DOMAIN_VGA);
}
static bool primary_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
return I915_READ(DSPCNTR(plane->plane)) & DISPLAY_PLANE_ENABLE;
}
/* FIXME read out full plane state for all planes */
static void readout_plane_state(struct intel_crtc *crtc)
{
struct intel_plane *primary = to_intel_plane(crtc->base.primary);
bool visible;
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_crtc_state *crtc_state =
to_intel_crtc_state(crtc->base.state);
struct intel_plane *plane;
visible = crtc->active && primary_get_hw_state(primary);
for_each_intel_plane_on_crtc(&dev_priv->drm, crtc, plane) {
struct intel_plane_state *plane_state =
to_intel_plane_state(plane->base.state);
bool visible = plane->get_hw_state(plane);
intel_set_plane_visible(to_intel_crtc_state(crtc->base.state),
to_intel_plane_state(primary->base.state),
visible);
intel_set_plane_visible(crtc_state, plane_state, visible);
}
}
static void intel_modeset_readout_hw_state(struct drm_device *dev)
......@@ -15100,6 +15109,8 @@ intel_modeset_setup_hw_state(struct drm_device *dev,
/* HW state is read out, now we need to sanitize this mess. */
get_encoder_power_domains(dev_priv);
intel_sanitize_plane_mapping(dev_priv);
for_each_intel_encoder(dev, encoder) {
intel_sanitize_encoder(encoder);
}
......
......@@ -862,6 +862,7 @@ struct intel_plane {
const struct intel_plane_state *plane_state);
void (*disable_plane)(struct intel_plane *plane,
struct intel_crtc *crtc);
bool (*get_hw_state)(struct intel_plane *plane);
int (*check_plane)(struct intel_plane *plane,
struct intel_crtc_state *crtc_state,
struct intel_plane_state *state);
......@@ -1924,6 +1925,7 @@ void skl_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state);
void skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc);
bool skl_plane_get_hw_state(struct intel_plane *plane);
/* intel_tv.c */
void intel_tv_init(struct drm_i915_private *dev_priv);
......
......@@ -329,6 +329,26 @@ skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
bool
skl_plane_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
bool ret;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(PLANE_CTL(pipe, plane_id)) & PLANE_CTL_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static void
chv_update_csc(struct intel_plane *plane, uint32_t format)
{
......@@ -506,6 +526,26 @@ vlv_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
vlv_plane_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
bool ret;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(SPCNTR(pipe, plane_id)) & SP_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
......@@ -646,6 +686,25 @@ ivb_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
ivb_plane_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum pipe pipe = plane->pipe;
bool ret;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(SPRCTL(pipe)) & SPRITE_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
......@@ -777,6 +836,25 @@ g4x_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
g4x_plane_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum pipe pipe = plane->pipe;
bool ret;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(DVSCNTR(pipe)) & DVS_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static int
intel_check_sprite_plane(struct intel_plane *plane,
struct intel_crtc_state *crtc_state,
......@@ -1232,6 +1310,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
intel_plane->update_plane = skl_update_plane;
intel_plane->disable_plane = skl_disable_plane;
intel_plane->get_hw_state = skl_plane_get_hw_state;
plane_formats = skl_plane_formats;
num_plane_formats = ARRAY_SIZE(skl_plane_formats);
......@@ -1242,6 +1321,7 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,