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path: root/drivers/gpu/drm/i915/icl_dsi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/icl_dsi.c')
-rw-r--r--drivers/gpu/drm/i915/icl_dsi.c63
1 files changed, 40 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 9d962ea1e635..1e240ad665b5 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -28,6 +28,8 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_mipi_dsi.h>
+#include "intel_atomic.h"
+#include "intel_combo_phy.h"
#include "intel_connector.h"
#include "intel_ddi.h"
#include "intel_dsi.h"
@@ -363,30 +365,10 @@ static void gen11_dsi_power_up_lanes(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);
enum port port;
- u32 tmp;
- u32 lane_mask;
-
- switch (intel_dsi->lane_count) {
- case 1:
- lane_mask = PWR_DOWN_LN_3_1_0;
- break;
- case 2:
- lane_mask = PWR_DOWN_LN_3_1;
- break;
- case 3:
- lane_mask = PWR_DOWN_LN_3;
- break;
- case 4:
- default:
- lane_mask = PWR_UP_ALL_LANES;
- break;
- }
- for_each_dsi_port(port, intel_dsi->ports) {
- tmp = I915_READ(ICL_PORT_CL_DW10(port));
- tmp &= ~PWR_DOWN_LN_MASK;
- I915_WRITE(ICL_PORT_CL_DW10(port), tmp | lane_mask);
- }
+ for_each_dsi_port(port, intel_dsi->ports)
+ intel_combo_phy_power_up_lanes(dev_priv, port, true,
+ intel_dsi->lane_count, false);
}
static void gen11_dsi_config_phy_lanes_sequence(struct intel_encoder *encoder)
@@ -1193,17 +1175,51 @@ static void gen11_dsi_disable(struct intel_encoder *encoder,
gen11_dsi_disable_io_power(encoder);
}
+static void gen11_dsi_get_timings(struct intel_encoder *encoder,
+ struct intel_crtc_state *pipe_config)
+{
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ struct drm_display_mode *adjusted_mode =
+ &pipe_config->base.adjusted_mode;
+
+ if (intel_dsi->dual_link) {
+ adjusted_mode->crtc_hdisplay *= 2;
+ if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK)
+ adjusted_mode->crtc_hdisplay -=
+ intel_dsi->pixel_overlap;
+ adjusted_mode->crtc_htotal *= 2;
+ }
+ adjusted_mode->crtc_hblank_start = adjusted_mode->crtc_hdisplay;
+ adjusted_mode->crtc_hblank_end = adjusted_mode->crtc_htotal;
+
+ if (intel_dsi->operation_mode == INTEL_DSI_VIDEO_MODE) {
+ if (intel_dsi->dual_link) {
+ adjusted_mode->crtc_hsync_start *= 2;
+ adjusted_mode->crtc_hsync_end *= 2;
+ }
+ }
+ adjusted_mode->crtc_vblank_start = adjusted_mode->crtc_vdisplay;
+ adjusted_mode->crtc_vblank_end = adjusted_mode->crtc_vtotal;
+}
+
static void gen11_dsi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
/* FIXME: adapt icl_ddi_clock_get() for DSI and use that? */
pipe_config->port_clock =
cnl_calc_wrpll_link(dev_priv, &pipe_config->dpll_hw_state);
+
pipe_config->base.adjusted_mode.crtc_clock = intel_dsi->pclk;
+ if (intel_dsi->dual_link)
+ pipe_config->base.adjusted_mode.crtc_clock *= 2;
+
+ gen11_dsi_get_timings(encoder, pipe_config);
pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI);
+ pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc);
}
static int gen11_dsi_compute_config(struct intel_encoder *encoder,
@@ -1219,6 +1235,7 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder,
struct drm_display_mode *adjusted_mode =
&pipe_config->base.adjusted_mode;
+ pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
intel_fixed_panel_mode(fixed_mode, adjusted_mode);
intel_pch_panel_fitting(crtc, pipe_config, conn_state->scaling_mode);