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path: root/drivers/gpu/drm/i915/vlv_dsi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/vlv_dsi.c')
-rw-r--r--drivers/gpu/drm/i915/vlv_dsi.c55
1 files changed, 32 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/vlv_dsi.c b/drivers/gpu/drm/i915/vlv_dsi.c
index 361e962a7969..6403728fe778 100644
--- a/drivers/gpu/drm/i915/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/vlv_dsi.c
@@ -23,7 +23,6 @@
* Author: Jani Nikula <jani.nikula@intel.com>
*/
-#include <drm/drmP.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
@@ -257,9 +256,9 @@ static void band_gap_reset(struct drm_i915_private *dev_priv)
mutex_unlock(&dev_priv->sb_lock);
}
-static bool intel_dsi_compute_config(struct intel_encoder *encoder,
- struct intel_crtc_state *pipe_config,
- struct drm_connector_state *conn_state)
+static int intel_dsi_compute_config(struct intel_encoder *encoder,
+ struct intel_crtc_state *pipe_config,
+ struct drm_connector_state *conn_state)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = container_of(encoder, struct intel_dsi,
@@ -276,7 +275,7 @@ static bool intel_dsi_compute_config(struct intel_encoder *encoder,
if (fixed_mode) {
intel_fixed_panel_mode(fixed_mode, adjusted_mode);
- if (HAS_GMCH_DISPLAY(dev_priv))
+ if (HAS_GMCH(dev_priv))
intel_gmch_panel_fitting(crtc, pipe_config,
conn_state->scaling_mode);
else
@@ -285,11 +284,16 @@ static bool intel_dsi_compute_config(struct intel_encoder *encoder,
}
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
- return false;
+ return -EINVAL;
/* DSI uses short packets for sync events, so clear mode flags for DSI */
adjusted_mode->flags = 0;
+ if (intel_dsi->pixel_format == MIPI_DSI_FMT_RGB888)
+ pipe_config->pipe_bpp = 24;
+ else
+ pipe_config->pipe_bpp = 18;
+
if (IS_GEN9_LP(dev_priv)) {
/* Enable Frame time stamp based scanline reporting */
adjusted_mode->private_flags |=
@@ -303,16 +307,16 @@ static bool intel_dsi_compute_config(struct intel_encoder *encoder,
ret = bxt_dsi_pll_compute(encoder, pipe_config);
if (ret)
- return false;
+ return -EINVAL;
} else {
ret = vlv_dsi_pll_compute(encoder, pipe_config);
if (ret)
- return false;
+ return -EINVAL;
}
pipe_config->clock_set = true;
- return true;
+ return 0;
}
static bool glk_dsi_enable_io(struct intel_encoder *encoder)
@@ -674,6 +678,10 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder,
LANE_CONFIGURATION_DUAL_LINK_B :
LANE_CONFIGURATION_DUAL_LINK_A;
}
+
+ if (intel_dsi->pixel_format != MIPI_DSI_FMT_RGB888)
+ temp |= DITHERING_ENABLE;
+
/* assert ip_tg_enable signal */
I915_WRITE(port_ctrl, temp | DPI_ENABLE);
POSTING_READ(port_ctrl);
@@ -960,13 +968,15 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ intel_wakeref_t wakeref;
enum port port;
bool active = false;
DRM_DEBUG_KMS("\n");
- if (!intel_display_power_get_if_enabled(dev_priv,
- encoder->power_domain))
+ wakeref = intel_display_power_get_if_enabled(dev_priv,
+ encoder->power_domain);
+ if (!wakeref)
return false;
/*
@@ -1022,7 +1032,7 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder,
}
out_put_power:
- intel_display_power_put(dev_priv, encoder->power_domain);
+ intel_display_power_put(dev_priv, encoder->power_domain, wakeref);
return active;
}
@@ -1058,10 +1068,8 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder,
}
fmt = I915_READ(MIPI_DSI_FUNC_PRG(port)) & VID_MODE_FORMAT_MASK;
- pipe_config->pipe_bpp =
- mipi_dsi_pixel_format_to_bpp(
- pixel_format_from_register_bits(fmt));
- bpp = pipe_config->pipe_bpp;
+ bpp = mipi_dsi_pixel_format_to_bpp(
+ pixel_format_from_register_bits(fmt));
/* Enable Frame time stamo based scanline reporting */
adjusted_mode->private_flags |=
@@ -1199,11 +1207,9 @@ static void intel_dsi_get_config(struct intel_encoder *encoder,
if (IS_GEN9_LP(dev_priv)) {
bxt_dsi_get_pipe_config(encoder, pipe_config);
- pclk = bxt_dsi_get_pclk(encoder, pipe_config->pipe_bpp,
- pipe_config);
+ pclk = bxt_dsi_get_pclk(encoder, pipe_config);
} else {
- pclk = vlv_dsi_get_pclk(encoder, pipe_config->pipe_bpp,
- pipe_config);
+ pclk = vlv_dsi_get_pclk(encoder, pipe_config);
}
if (pclk) {
@@ -1575,6 +1581,7 @@ vlv_dsi_get_hw_panel_orientation(struct intel_connector *connector)
enum drm_panel_orientation orientation;
struct intel_plane *plane;
struct intel_crtc *crtc;
+ intel_wakeref_t wakeref;
enum pipe pipe;
u32 val;
@@ -1585,7 +1592,8 @@ vlv_dsi_get_hw_panel_orientation(struct intel_connector *connector)
plane = to_intel_plane(crtc->base.primary);
power_domain = POWER_DOMAIN_PIPE(pipe);
- if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
+ wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
+ if (!wakeref)
return DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
val = I915_READ(DSPCNTR(plane->i9xx_plane));
@@ -1597,7 +1605,7 @@ vlv_dsi_get_hw_panel_orientation(struct intel_connector *connector)
else
orientation = DRM_MODE_PANEL_ORIENTATION_NORMAL;
- intel_display_power_put(dev_priv, power_domain);
+ intel_display_power_put(dev_priv, power_domain, wakeref);
return orientation;
}
@@ -1625,7 +1633,7 @@ static void intel_dsi_add_properties(struct intel_connector *connector)
u32 allowed_scalers;
allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) | BIT(DRM_MODE_SCALE_FULLSCREEN);
- if (!HAS_GMCH_DISPLAY(dev_priv))
+ if (!HAS_GMCH(dev_priv))
allowed_scalers |= BIT(DRM_MODE_SCALE_CENTER);
drm_connector_attach_scaling_mode_property(&connector->base,
@@ -1689,6 +1697,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
intel_encoder->post_disable = intel_dsi_post_disable;
intel_encoder->get_hw_state = intel_dsi_get_hw_state;
intel_encoder->get_config = intel_dsi_get_config;
+ intel_encoder->update_pipe = intel_panel_update_backlight;
intel_connector->get_hw_state = intel_connector_get_hw_state;
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 11:23:00 +0000