@@ -17424,7 +17424,8 @@ intel_mode_valid(struct drm_device *dev,
enum drm_mode_status
intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
- const struct drm_display_mode *mode)
+ const struct drm_display_mode *mode,
+ bool bigjoiner)
{
int plane_width_max, plane_height_max;
@@ -17441,7 +17442,7 @@ intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
* too big for that.
*/
if (INTEL_GEN(dev_priv) >= 11) {
- plane_width_max = 5120;
+ plane_width_max = 5120 << bigjoiner;
plane_height_max = 4320;
} else {
plane_width_max = 5120;
@@ -496,7 +496,8 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
bool intel_plane_can_remap(const struct intel_plane_state *plane_state);
enum drm_mode_status
intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
- const struct drm_display_mode *mode);
+ const struct drm_display_mode *mode,
+ bool bigjoiner);
enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port);
bool is_trans_port_sync_mode(const struct intel_crtc_state *state);
@@ -247,6 +247,29 @@ intel_dp_max_data_rate(int max_link_clock, int max_lanes)
return max_link_clock * max_lanes;
}
+static int source_max_dotclock(struct intel_dp *intel_dp, bool allow_bigjoiner)
+{
+ struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
+ struct intel_encoder *encoder = &intel_dig_port->base;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+
+ if (allow_bigjoiner && INTEL_GEN(dev_priv) >= 11 && !intel_dp_is_edp(intel_dp))
+ return 2 * dev_priv->max_dotclk_freq;
+
+ return dev_priv->max_dotclk_freq;
+}
+
+static int
+intel_dp_max_dotclock(struct intel_dp *intel_dp, bool allow_bigjoiner)
+{
+ int max_dotclk = source_max_dotclock(intel_dp, allow_bigjoiner);
+
+ if (intel_dp->dfp.max_dotclock)
+ return min(max_dotclk, intel_dp->dfp.max_dotclock);
+
+ return max_dotclk;
+}
+
static int cnl_max_source_rate(struct intel_dp *intel_dp)
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
@@ -503,7 +526,8 @@ small_joiner_ram_size_bits(struct drm_i915_private *i915)
static u16 intel_dp_dsc_get_output_bpp(struct drm_i915_private *i915,
u32 link_clock, u32 lane_count,
- u32 mode_clock, u32 mode_hdisplay)
+ u32 mode_clock, u32 mode_hdisplay,
+ bool bigjoiner)
{
u32 bits_per_pixel, max_bpp_small_joiner_ram;
int i;
@@ -521,6 +545,10 @@ static u16 intel_dp_dsc_get_output_bpp(struct drm_i915_private *i915,
/* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */
max_bpp_small_joiner_ram = small_joiner_ram_size_bits(i915) /
mode_hdisplay;
+
+ if (bigjoiner)
+ max_bpp_small_joiner_ram *= 2;
+
drm_dbg_kms(&i915->drm, "Max small joiner bpp: %u\n",
max_bpp_small_joiner_ram);
@@ -530,6 +558,15 @@ static u16 intel_dp_dsc_get_output_bpp(struct drm_i915_private *i915,
*/
bits_per_pixel = min(bits_per_pixel, max_bpp_small_joiner_ram);
+ if (bigjoiner) {
+ u32 max_bpp_bigjoiner =
+ i915->max_cdclk_freq * 48 /
+ intel_dp_mode_to_fec_clock(mode_clock);
+
+ DRM_DEBUG_KMS("Max big joiner bpp: %u\n", max_bpp_bigjoiner);
+ bits_per_pixel = min(bits_per_pixel, max_bpp_bigjoiner);
+ }
+
/* Error out if the max bpp is less than smallest allowed valid bpp */
if (bits_per_pixel < valid_dsc_bpp[0]) {
drm_dbg_kms(&i915->drm, "Unsupported BPP %u, min %u\n",
@@ -552,7 +589,8 @@ static u16 intel_dp_dsc_get_output_bpp(struct drm_i915_private *i915,
}
static u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
- int mode_clock, int mode_hdisplay)
+ int mode_clock, int mode_hdisplay,
+ bool bigjoiner)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 min_slice_count, i;
@@ -579,12 +617,20 @@ static u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
/* Find the closest match to the valid slice count values */
for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) {
- if (valid_dsc_slicecount[i] >
- drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd,
- false))
+ u8 test_slice_count = bigjoiner ?
+ 2 * valid_dsc_slicecount[i] :
+ valid_dsc_slicecount[i];
+
+ if (test_slice_count >
+ drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd, false))
break;
- if (min_slice_count <= valid_dsc_slicecount[i])
- return valid_dsc_slicecount[i];
+
+ /* big joiner needs small joiner to be enabled */
+ if (bigjoiner && test_slice_count < 4)
+ continue;
+
+ if (min_slice_count <= test_slice_count)
+ return test_slice_count;
}
drm_dbg_kms(&i915->drm, "Unsupported Slice Count %d\n",
@@ -620,10 +666,6 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector,
const struct drm_display_info *info = &connector->base.display_info;
int tmds_clock;
- if (intel_dp->dfp.max_dotclock &&
- target_clock > intel_dp->dfp.max_dotclock)
- return MODE_CLOCK_HIGH;
-
/* Assume 8bpc for the DP++/HDMI/DVI TMDS clock check */
tmds_clock = target_clock;
if (drm_mode_is_420_only(info, mode))
@@ -639,6 +681,16 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector,
return MODE_OK;
}
+static bool intel_dp_can_bigjoiner(struct drm_connector *connector)
+{
+ struct intel_encoder *encoder = intel_attached_encoder(to_intel_connector(connector));
+ struct drm_i915_private *dev_priv = to_i915(connector->dev);
+
+ return INTEL_GEN(dev_priv) >= 12 ||
+ (INTEL_GEN(dev_priv) == 11 &&
+ encoder->port != PORT_A);
+}
+
static enum drm_mode_status
intel_dp_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
@@ -653,10 +705,16 @@ intel_dp_mode_valid(struct drm_connector *connector,
u16 dsc_max_output_bpp = 0;
u8 dsc_slice_count = 0;
enum drm_mode_status status;
+ bool dsc = false, bigjoiner = false;
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
return MODE_NO_DBLESCAN;
+ if (mode->flags & DRM_MODE_FLAG_DBLCLK)
+ return MODE_H_ILLEGAL;
+
+ max_dotclk = intel_dp_max_dotclock(intel_dp, false);
+
if (intel_dp_is_edp(intel_dp) && fixed_mode) {
if (mode->hdisplay > fixed_mode->hdisplay)
return MODE_PANEL;
@@ -667,6 +725,21 @@ intel_dp_mode_valid(struct drm_connector *connector,
target_clock = fixed_mode->clock;
}
+ if (mode->clock < 10000)
+ return MODE_CLOCK_LOW;
+
+ if (target_clock > max_dotclk) {
+ if (intel_dp_is_edp(intel_dp))
+ return MODE_CLOCK_HIGH;
+
+ max_dotclk = intel_dp_max_dotclock(intel_dp, true);
+
+ if (target_clock > max_dotclk)
+ return MODE_CLOCK_HIGH;
+
+ bigjoiner = intel_dp_can_bigjoiner(connector);
+ }
+
max_link_clock = intel_dp_max_link_rate(intel_dp);
max_lanes = intel_dp_max_lane_count(intel_dp);
@@ -694,30 +767,35 @@ intel_dp_mode_valid(struct drm_connector *connector,
max_link_clock,
max_lanes,
target_clock,
- mode->hdisplay) >> 4;
+ mode->hdisplay,
+ bigjoiner) >> 4;
dsc_slice_count =
intel_dp_dsc_get_slice_count(intel_dp,
target_clock,
- mode->hdisplay);
+ mode->hdisplay,
+ bigjoiner);
}
+
+ dsc = dsc_max_output_bpp && dsc_slice_count;
}
- if ((mode_rate > max_rate && !(dsc_max_output_bpp && dsc_slice_count)) ||
- target_clock > max_dotclk)
+ /* big joiner configuration needs DSC */
+ if (bigjoiner && !dsc) {
+ DRM_DEBUG_KMS("Link clock needs bigjoiner, but DSC or FEC not available\n");
return MODE_CLOCK_HIGH;
+ }
- if (mode->clock < 10000)
- return MODE_CLOCK_LOW;
-
- if (mode->flags & DRM_MODE_FLAG_DBLCLK)
- return MODE_H_ILLEGAL;
+ if (mode_rate > max_rate && !dsc) {
+ DRM_DEBUG_KMS("Cannot drive without DSC\n");
+ return MODE_CLOCK_HIGH;
+ }
status = intel_dp_mode_valid_downstream(intel_connector,
mode, target_clock);
if (status != MODE_OK)
return status;
- return intel_mode_valid_max_plane_size(dev_priv, mode);
+ return intel_mode_valid_max_plane_size(dev_priv, mode, bigjoiner);
}
u32 intel_dp_pack_aux(const u8 *src, int src_bytes)
@@ -2280,11 +2358,13 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
pipe_config->port_clock,
pipe_config->lane_count,
adjusted_mode->crtc_clock,
- adjusted_mode->crtc_hdisplay);
+ adjusted_mode->crtc_hdisplay,
+ false);
dsc_dp_slice_count =
intel_dp_dsc_get_slice_count(intel_dp,
adjusted_mode->crtc_clock,
- adjusted_mode->crtc_hdisplay);
+ adjusted_mode->crtc_hdisplay,
+ false);
if (!dsc_max_output_bpp || !dsc_dp_slice_count) {
drm_dbg_kms(&dev_priv->drm,
"Compressed BPP/Slice Count not supported\n");
@@ -701,7 +701,7 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector,
return 0;
}
- *status = intel_mode_valid_max_plane_size(dev_priv, mode);
+ *status = intel_mode_valid_max_plane_size(dev_priv, mode, true);
return 0;
}
@@ -75,7 +75,7 @@ enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector,
return MODE_CLOCK_HIGH;
}
- return intel_mode_valid_max_plane_size(dev_priv, mode);
+ return intel_mode_valid_max_plane_size(dev_priv, mode, false);
}
struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
@@ -2274,7 +2274,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
if (status != MODE_OK)
return status;
- return intel_mode_valid_max_plane_size(dev_priv, mode);
+ return intel_mode_valid_max_plane_size(dev_priv, mode, false);
}
bool intel_hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,