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path: root/drivers/gpu/drm/i915/display/intel_panel.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_panel.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_panel.c178
1 files changed, 94 insertions, 84 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
index 276f43870802..3c5056dbf607 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -176,24 +176,23 @@ intel_panel_vbt_fixed_mode(struct intel_connector *connector)
}
/* adjusted_mode has been preset to be the panel's fixed mode */
-void
-intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
- struct intel_crtc_state *pipe_config,
- int fitting_mode)
+int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
- int x = 0, y = 0, width = 0, height = 0;
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
+ int x, y, width, height;
/* Native modes don't need fitting */
- if (adjusted_mode->crtc_hdisplay == pipe_config->pipe_src_w &&
- adjusted_mode->crtc_vdisplay == pipe_config->pipe_src_h &&
- pipe_config->output_format != INTEL_OUTPUT_FORMAT_YCBCR420)
- goto done;
+ if (adjusted_mode->crtc_hdisplay == crtc_state->pipe_src_w &&
+ adjusted_mode->crtc_vdisplay == crtc_state->pipe_src_h &&
+ crtc_state->output_format != INTEL_OUTPUT_FORMAT_YCBCR420)
+ return 0;
- switch (fitting_mode) {
+ switch (conn_state->scaling_mode) {
case DRM_MODE_SCALE_CENTER:
- width = pipe_config->pipe_src_w;
- height = pipe_config->pipe_src_h;
+ width = crtc_state->pipe_src_w;
+ height = crtc_state->pipe_src_h;
x = (adjusted_mode->crtc_hdisplay - width + 1)/2;
y = (adjusted_mode->crtc_vdisplay - height + 1)/2;
break;
@@ -202,18 +201,18 @@ intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
/* Scale but preserve the aspect ratio */
{
u32 scaled_width = adjusted_mode->crtc_hdisplay
- * pipe_config->pipe_src_h;
- u32 scaled_height = pipe_config->pipe_src_w
+ * crtc_state->pipe_src_h;
+ u32 scaled_height = crtc_state->pipe_src_w
* adjusted_mode->crtc_vdisplay;
if (scaled_width > scaled_height) { /* pillar */
- width = scaled_height / pipe_config->pipe_src_h;
+ width = scaled_height / crtc_state->pipe_src_h;
if (width & 1)
width++;
x = (adjusted_mode->crtc_hdisplay - width + 1) / 2;
y = 0;
height = adjusted_mode->crtc_vdisplay;
} else if (scaled_width < scaled_height) { /* letter */
- height = scaled_width / pipe_config->pipe_src_w;
+ height = scaled_width / crtc_state->pipe_src_w;
if (height & 1)
height++;
y = (adjusted_mode->crtc_vdisplay - height + 1) / 2;
@@ -227,6 +226,10 @@ intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
}
break;
+ case DRM_MODE_SCALE_NONE:
+ WARN_ON(adjusted_mode->crtc_hdisplay != crtc_state->pipe_src_w);
+ WARN_ON(adjusted_mode->crtc_vdisplay != crtc_state->pipe_src_h);
+ /* fall through */
case DRM_MODE_SCALE_FULLSCREEN:
x = y = 0;
width = adjusted_mode->crtc_hdisplay;
@@ -234,14 +237,15 @@ intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
break;
default:
- WARN(1, "bad panel fit mode: %d\n", fitting_mode);
- return;
+ MISSING_CASE(conn_state->scaling_mode);
+ return -EINVAL;
}
-done:
- pipe_config->pch_pfit.pos = (x << 16) | y;
- pipe_config->pch_pfit.size = (width << 16) | height;
- pipe_config->pch_pfit.enabled = pipe_config->pch_pfit.size != 0;
+ drm_rect_init(&crtc_state->pch_pfit.dst,
+ x, y, width, height);
+ crtc_state->pch_pfit.enabled = true;
+
+ return 0;
}
static void
@@ -287,7 +291,7 @@ centre_vertically(struct drm_display_mode *adjusted_mode,
adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + sync_width;
}
-static inline u32 panel_fitter_scaling(u32 source, u32 target)
+static u32 panel_fitter_scaling(u32 source, u32 target)
{
/*
* Floating point operation is not supported. So the FACTOR
@@ -300,13 +304,14 @@ static inline u32 panel_fitter_scaling(u32 source, u32 target)
return (FACTOR * ratio + FACTOR/2) / FACTOR;
}
-static void i965_scale_aspect(struct intel_crtc_state *pipe_config,
+static void i965_scale_aspect(struct intel_crtc_state *crtc_state,
u32 *pfit_control)
{
- const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
u32 scaled_width = adjusted_mode->crtc_hdisplay *
- pipe_config->pipe_src_h;
- u32 scaled_height = pipe_config->pipe_src_w *
+ crtc_state->pipe_src_h;
+ u32 scaled_height = crtc_state->pipe_src_w *
adjusted_mode->crtc_vdisplay;
/* 965+ is easy, it does everything in hw */
@@ -316,18 +321,18 @@ static void i965_scale_aspect(struct intel_crtc_state *pipe_config,
else if (scaled_width < scaled_height)
*pfit_control |= PFIT_ENABLE |
PFIT_SCALING_LETTER;
- else if (adjusted_mode->crtc_hdisplay != pipe_config->pipe_src_w)
+ else if (adjusted_mode->crtc_hdisplay != crtc_state->pipe_src_w)
*pfit_control |= PFIT_ENABLE | PFIT_SCALING_AUTO;
}
-static void i9xx_scale_aspect(struct intel_crtc_state *pipe_config,
+static void i9xx_scale_aspect(struct intel_crtc_state *crtc_state,
u32 *pfit_control, u32 *pfit_pgm_ratios,
u32 *border)
{
- struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+ struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
u32 scaled_width = adjusted_mode->crtc_hdisplay *
- pipe_config->pipe_src_h;
- u32 scaled_height = pipe_config->pipe_src_w *
+ crtc_state->pipe_src_h;
+ u32 scaled_height = crtc_state->pipe_src_w *
adjusted_mode->crtc_vdisplay;
u32 bits;
@@ -339,11 +344,11 @@ static void i9xx_scale_aspect(struct intel_crtc_state *pipe_config,
if (scaled_width > scaled_height) { /* pillar */
centre_horizontally(adjusted_mode,
scaled_height /
- pipe_config->pipe_src_h);
+ crtc_state->pipe_src_h);
*border = LVDS_BORDER_ENABLE;
- if (pipe_config->pipe_src_h != adjusted_mode->crtc_vdisplay) {
- bits = panel_fitter_scaling(pipe_config->pipe_src_h,
+ if (crtc_state->pipe_src_h != adjusted_mode->crtc_vdisplay) {
+ bits = panel_fitter_scaling(crtc_state->pipe_src_h,
adjusted_mode->crtc_vdisplay);
*pfit_pgm_ratios |= (bits << PFIT_HORIZ_SCALE_SHIFT |
@@ -355,11 +360,11 @@ static void i9xx_scale_aspect(struct intel_crtc_state *pipe_config,
} else if (scaled_width < scaled_height) { /* letter */
centre_vertically(adjusted_mode,
scaled_width /
- pipe_config->pipe_src_w);
+ crtc_state->pipe_src_w);
*border = LVDS_BORDER_ENABLE;
- if (pipe_config->pipe_src_w != adjusted_mode->crtc_hdisplay) {
- bits = panel_fitter_scaling(pipe_config->pipe_src_w,
+ if (crtc_state->pipe_src_w != adjusted_mode->crtc_hdisplay) {
+ bits = panel_fitter_scaling(crtc_state->pipe_src_w,
adjusted_mode->crtc_hdisplay);
*pfit_pgm_ratios |= (bits << PFIT_HORIZ_SCALE_SHIFT |
@@ -377,35 +382,35 @@ static void i9xx_scale_aspect(struct intel_crtc_state *pipe_config,
}
}
-void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc,
- struct intel_crtc_state *pipe_config,
- int fitting_mode)
+int intel_gmch_panel_fitting(struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
- struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+ struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
/* Native modes don't need fitting */
- if (adjusted_mode->crtc_hdisplay == pipe_config->pipe_src_w &&
- adjusted_mode->crtc_vdisplay == pipe_config->pipe_src_h)
+ if (adjusted_mode->crtc_hdisplay == crtc_state->pipe_src_w &&
+ adjusted_mode->crtc_vdisplay == crtc_state->pipe_src_h)
goto out;
- switch (fitting_mode) {
+ switch (conn_state->scaling_mode) {
case DRM_MODE_SCALE_CENTER:
/*
* For centered modes, we have to calculate border widths &
* heights and modify the values programmed into the CRTC.
*/
- centre_horizontally(adjusted_mode, pipe_config->pipe_src_w);
- centre_vertically(adjusted_mode, pipe_config->pipe_src_h);
+ centre_horizontally(adjusted_mode, crtc_state->pipe_src_w);
+ centre_vertically(adjusted_mode, crtc_state->pipe_src_h);
border = LVDS_BORDER_ENABLE;
break;
case DRM_MODE_SCALE_ASPECT:
/* Scale but preserve the aspect ratio */
if (INTEL_GEN(dev_priv) >= 4)
- i965_scale_aspect(pipe_config, &pfit_control);
+ i965_scale_aspect(crtc_state, &pfit_control);
else
- i9xx_scale_aspect(pipe_config, &pfit_control,
+ i9xx_scale_aspect(crtc_state, &pfit_control,
&pfit_pgm_ratios, &border);
break;
case DRM_MODE_SCALE_FULLSCREEN:
@@ -413,8 +418,8 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc,
* Full scaling, even if it changes the aspect ratio.
* Fortunately this is all done for us in hw.
*/
- if (pipe_config->pipe_src_h != adjusted_mode->crtc_vdisplay ||
- pipe_config->pipe_src_w != adjusted_mode->crtc_hdisplay) {
+ if (crtc_state->pipe_src_h != adjusted_mode->crtc_vdisplay ||
+ crtc_state->pipe_src_w != adjusted_mode->crtc_hdisplay) {
pfit_control |= PFIT_ENABLE;
if (INTEL_GEN(dev_priv) >= 4)
pfit_control |= PFIT_SCALING_AUTO;
@@ -426,15 +431,14 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc,
}
break;
default:
- drm_WARN(&dev_priv->drm, 1, "bad panel fit mode: %d\n",
- fitting_mode);
- return;
+ MISSING_CASE(conn_state->scaling_mode);
+ return -EINVAL;
}
/* 965+ wants fuzzy fitting */
/* FIXME: handle multiple panels by failing gracefully */
if (INTEL_GEN(dev_priv) >= 4)
- pfit_control |= PFIT_PIPE(intel_crtc->pipe) | PFIT_FILTER_FUZZY;
+ pfit_control |= PFIT_PIPE(crtc->pipe) | PFIT_FILTER_FUZZY;
out:
if ((pfit_control & PFIT_ENABLE) == 0) {
@@ -443,12 +447,14 @@ out:
}
/* Make sure pre-965 set dither correctly for 18bpp panels. */
- if (INTEL_GEN(dev_priv) < 4 && pipe_config->pipe_bpp == 18)
+ if (INTEL_GEN(dev_priv) < 4 && crtc_state->pipe_bpp == 18)
pfit_control |= PANEL_8TO6_DITHER_ENABLE;
- pipe_config->gmch_pfit.control = pfit_control;
- pipe_config->gmch_pfit.pgm_ratios = pfit_pgm_ratios;
- pipe_config->gmch_pfit.lvds_border_bits = border;
+ crtc_state->gmch_pfit.control = pfit_control;
+ crtc_state->gmch_pfit.pgm_ratios = pfit_pgm_ratios;
+ crtc_state->gmch_pfit.lvds_border_bits = border;
+
+ return 0;
}
/**
@@ -483,20 +489,10 @@ static u32 scale(u32 source_val,
return target_val;
}
-/* Scale user_level in range [0..user_max] to [hw_min..hw_max]. */
-static inline u32 scale_user_to_hw(struct intel_connector *connector,
- u32 user_level, u32 user_max)
-{
- struct intel_panel *panel = &connector->panel;
-
- return scale(user_level, 0, user_max,
- panel->backlight.min, panel->backlight.max);
-}
-
/* Scale user_level in range [0..user_max] to [0..hw_max], clamping the result
* to [hw_min..hw_max]. */
-static inline u32 clamp_user_to_hw(struct intel_connector *connector,
- u32 user_level, u32 user_max)
+static u32 clamp_user_to_hw(struct intel_connector *connector,
+ u32 user_level, u32 user_max)
{
struct intel_panel *panel = &connector->panel;
u32 hw_level;
@@ -508,8 +504,8 @@ static inline u32 clamp_user_to_hw(struct intel_connector *connector,
}
/* Scale hw_level in range [hw_min..hw_max] to [0..user_max]. */
-static inline u32 scale_hw_to_user(struct intel_connector *connector,
- u32 hw_level, u32 user_max)
+static u32 scale_hw_to_user(struct intel_connector *connector,
+ u32 hw_level, u32 user_max)
{
struct intel_panel *panel = &connector->panel;
@@ -684,9 +680,10 @@ static void
intel_panel_actually_set_backlight(const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
struct intel_panel *panel = &connector->panel;
- DRM_DEBUG_DRIVER("set backlight PWM = %d\n", level);
+ drm_dbg_kms(&i915->drm, "set backlight PWM = %d\n", level);
level = intel_panel_compute_brightness(connector, level);
panel->backlight.set(conn_state, level);
@@ -867,8 +864,8 @@ void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_st
* another client is not activated.
*/
if (dev_priv->drm.switch_power_state == DRM_SWITCH_POWER_CHANGING) {
- drm_dbg(&dev_priv->drm,
- "Skipping backlight disable on vga switch\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "Skipping backlight disable on vga switch\n");
return;
}
@@ -1244,10 +1241,20 @@ static u32 intel_panel_get_backlight(struct intel_connector *connector)
mutex_unlock(&dev_priv->backlight_lock);
- drm_dbg(&dev_priv->drm, "get backlight PWM = %d\n", val);
+ drm_dbg_kms(&dev_priv->drm, "get backlight PWM = %d\n", val);
return val;
}
+/* Scale user_level in range [0..user_max] to [hw_min..hw_max]. */
+static u32 scale_user_to_hw(struct intel_connector *connector,
+ u32 user_level, u32 user_max)
+{
+ struct intel_panel *panel = &connector->panel;
+
+ return scale(user_level, 0, user_max,
+ panel->backlight.min, panel->backlight.max);
+}
+
/* set backlight brightness to level in range [0..max], scaling wrt hw min */
static void intel_panel_set_backlight(const struct drm_connector_state *conn_state,
u32 user_level, u32 user_max)
@@ -1335,6 +1342,7 @@ static const struct backlight_ops intel_backlight_device_ops = {
int intel_backlight_device_register(struct intel_connector *connector)
{
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
struct intel_panel *panel = &connector->panel;
struct backlight_properties props;
@@ -1374,14 +1382,15 @@ int intel_backlight_device_register(struct intel_connector *connector)
&intel_backlight_device_ops, &props);
if (IS_ERR(panel->backlight.device)) {
- DRM_ERROR("Failed to register backlight: %ld\n",
- PTR_ERR(panel->backlight.device));
+ drm_err(&i915->drm, "Failed to register backlight: %ld\n",
+ PTR_ERR(panel->backlight.device));
panel->backlight.device = NULL;
return -ENODEV;
}
- DRM_DEBUG_KMS("Connector %s backlight sysfs interface registered\n",
- connector->base.name);
+ drm_dbg_kms(&i915->drm,
+ "Connector %s backlight sysfs interface registered\n",
+ connector->base.name);
return 0;
}
@@ -1931,7 +1940,8 @@ static int pwm_setup_backlight(struct intel_connector *connector,
return 0;
}
-void intel_panel_update_backlight(struct intel_encoder *encoder,
+void intel_panel_update_backlight(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{