aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/gpu/drm/i915/display/intel_dp_mst.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_mst.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp_mst.c204
1 files changed, 100 insertions, 104 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index ef7f510c07a7..df7edcfe885b 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -53,7 +53,7 @@
#include "intel_vdsc.h"
#include "skl_scaler.h"
-/* From fake MST encoder to primary encoder */
+/* From fake MST stream encoder to primary encoder */
static struct intel_encoder *to_primary_encoder(struct intel_encoder *encoder)
{
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
@@ -62,7 +62,7 @@ static struct intel_encoder *to_primary_encoder(struct intel_encoder *encoder)
return &dig_port->base;
}
-/* From fake MST encoder to primary DP */
+/* From fake MST stream encoder to primary DP */
static struct intel_dp *to_primary_dp(struct intel_encoder *encoder)
{
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
@@ -179,14 +179,12 @@ static int intel_dp_mst_dsc_get_slice_count(const struct intel_connector *connec
num_joined_pipes);
}
-static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
- struct intel_crtc_state *crtc_state,
- int max_bpp,
- int min_bpp,
- struct link_config_limits *limits,
- struct drm_connector_state *conn_state,
- int step,
- bool dsc)
+static int mst_stream_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ int max_bpp, int min_bpp,
+ struct link_config_limits *limits,
+ struct drm_connector_state *conn_state,
+ int step, bool dsc)
{
struct intel_display *display = to_intel_display(encoder);
struct drm_atomic_state *state = crtc_state->uapi.state;
@@ -333,10 +331,10 @@ static int intel_dp_mst_find_vcpi_slots_for_bpp(struct intel_encoder *encoder,
return slots;
}
-static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
- struct intel_crtc_state *crtc_state,
- struct drm_connector_state *conn_state,
- struct link_config_limits *limits)
+static int mst_stream_compute_link_config(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state,
+ struct link_config_limits *limits)
{
int slots = -EINVAL;
@@ -344,11 +342,11 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
* FIXME: allocate the BW according to link_bpp, which in the case of
* YUV420 is only half of the pipe bpp value.
*/
- slots = intel_dp_mst_find_vcpi_slots_for_bpp(encoder, crtc_state,
- fxp_q4_to_int(limits->link.max_bpp_x16),
- fxp_q4_to_int(limits->link.min_bpp_x16),
- limits,
- conn_state, 2 * 3, false);
+ slots = mst_stream_find_vcpi_slots_for_bpp(encoder, crtc_state,
+ fxp_q4_to_int(limits->link.max_bpp_x16),
+ fxp_q4_to_int(limits->link.min_bpp_x16),
+ limits,
+ conn_state, 2 * 3, false);
if (slots < 0)
return slots;
@@ -356,10 +354,10 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
return 0;
}
-static int intel_dp_dsc_mst_compute_link_config(struct intel_encoder *encoder,
- struct intel_crtc_state *crtc_state,
- struct drm_connector_state *conn_state,
- struct link_config_limits *limits)
+static int mst_stream_dsc_compute_link_config(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state,
+ struct link_config_limits *limits)
{
struct intel_display *display = to_intel_display(encoder);
struct intel_connector *connector = to_intel_connector(conn_state->connector);
@@ -426,18 +424,19 @@ static int intel_dp_dsc_mst_compute_link_config(struct intel_encoder *encoder,
min_compressed_bpp = intel_dp_dsc_nearest_valid_bpp(i915, min_compressed_bpp,
crtc_state->pipe_bpp);
- slots = intel_dp_mst_find_vcpi_slots_for_bpp(encoder, crtc_state, max_compressed_bpp,
- min_compressed_bpp, limits,
- conn_state, 1, true);
+ slots = mst_stream_find_vcpi_slots_for_bpp(encoder, crtc_state, max_compressed_bpp,
+ min_compressed_bpp, limits,
+ conn_state, 1, true);
if (slots < 0)
return slots;
return 0;
}
-static int intel_dp_mst_update_slots(struct intel_encoder *encoder,
- struct intel_crtc_state *crtc_state,
- struct drm_connector_state *conn_state)
+
+static int mst_stream_update_slots(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
{
struct intel_display *display = to_intel_display(encoder);
struct intel_dp *intel_dp = to_primary_dp(encoder);
@@ -550,11 +549,11 @@ adjust_limits_for_dsc_hblank_expansion_quirk(const struct intel_connector *conne
}
static bool
-intel_dp_mst_compute_config_limits(struct intel_dp *intel_dp,
- const struct intel_connector *connector,
- struct intel_crtc_state *crtc_state,
- bool dsc,
- struct link_config_limits *limits)
+mst_stream_compute_config_limits(struct intel_dp *intel_dp,
+ const struct intel_connector *connector,
+ struct intel_crtc_state *crtc_state,
+ bool dsc,
+ struct link_config_limits *limits)
{
/*
* for MST we always configure max link bw - the spec doesn't
@@ -591,9 +590,9 @@ intel_dp_mst_compute_config_limits(struct intel_dp *intel_dp,
dsc);
}
-static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
- struct intel_crtc_state *pipe_config,
- struct drm_connector_state *conn_state)
+static int mst_stream_compute_config(struct intel_encoder *encoder,
+ struct intel_crtc_state *pipe_config,
+ struct drm_connector_state *conn_state)
{
struct intel_display *display = to_intel_display(encoder);
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -629,15 +628,12 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
joiner_needs_dsc = intel_dp_joiner_needs_dsc(dev_priv, num_joined_pipes);
dsc_needed = joiner_needs_dsc || intel_dp->force_dsc_en ||
- !intel_dp_mst_compute_config_limits(intel_dp,
- connector,
- pipe_config,
- false,
- &limits);
+ !mst_stream_compute_config_limits(intel_dp, connector,
+ pipe_config, false, &limits);
if (!dsc_needed) {
- ret = intel_dp_mst_compute_link_config(encoder, pipe_config,
- conn_state, &limits);
+ ret = mst_stream_compute_link_config(encoder, pipe_config,
+ conn_state, &limits);
if (ret == -EDEADLK)
return ret;
@@ -655,11 +651,9 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
if (!intel_dp_supports_dsc(connector, pipe_config))
return -EINVAL;
- if (!intel_dp_mst_compute_config_limits(intel_dp,
- connector,
- pipe_config,
- true,
- &limits))
+ if (!mst_stream_compute_config_limits(intel_dp, connector,
+ pipe_config, true,
+ &limits))
return -EINVAL;
/*
@@ -674,8 +668,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
*/
drm_dbg_kms(display->drm, "Trying to find VCPI slots in DSC mode\n");
- ret = intel_dp_dsc_mst_compute_link_config(encoder, pipe_config,
- conn_state, &limits);
+ ret = mst_stream_dsc_compute_link_config(encoder, pipe_config,
+ conn_state, &limits);
if (ret < 0)
return ret;
@@ -687,7 +681,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
if (ret)
return ret;
- ret = intel_dp_mst_update_slots(encoder, pipe_config, conn_state);
+ ret = mst_stream_update_slots(encoder, pipe_config, conn_state);
if (ret)
return ret;
@@ -868,9 +862,9 @@ int intel_dp_mst_atomic_check_link(struct intel_atomic_state *state,
return 0;
}
-static int intel_dp_mst_compute_config_late(struct intel_encoder *encoder,
- struct intel_crtc_state *crtc_state,
- struct drm_connector_state *conn_state)
+static int mst_stream_compute_config_late(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
{
struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state);
struct intel_dp *intel_dp = to_primary_dp(encoder);
@@ -996,10 +990,10 @@ static void wait_for_act_sent(struct intel_encoder *encoder,
drm_dp_check_act_status(&intel_dp->mst_mgr);
}
-static void intel_mst_disable_dp(struct intel_atomic_state *state,
- struct intel_encoder *encoder,
- const struct intel_crtc_state *old_crtc_state,
- const struct drm_connector_state *old_conn_state)
+static void mst_stream_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
{
struct intel_display *display = to_intel_display(state);
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
@@ -1018,10 +1012,10 @@ static void intel_mst_disable_dp(struct intel_atomic_state *state,
intel_dp_sink_disable_decompression(state, connector, old_crtc_state);
}
-static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
- struct intel_encoder *encoder,
- const struct intel_crtc_state *old_crtc_state,
- const struct drm_connector_state *old_conn_state)
+static void mst_stream_post_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
{
struct intel_display *display = to_intel_display(encoder);
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
@@ -1114,10 +1108,10 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
intel_dp->active_mst_links);
}
-static void intel_mst_post_pll_disable_dp(struct intel_atomic_state *state,
- struct intel_encoder *encoder,
- const struct intel_crtc_state *old_crtc_state,
- const struct drm_connector_state *old_conn_state)
+static void mst_stream_post_pll_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
+ const struct intel_crtc_state *old_crtc_state,
+ const struct drm_connector_state *old_conn_state)
{
struct intel_encoder *primary_encoder = to_primary_encoder(encoder);
struct intel_dp *intel_dp = to_primary_dp(encoder);
@@ -1127,10 +1121,10 @@ static void intel_mst_post_pll_disable_dp(struct intel_atomic_state *state,
primary_encoder->post_pll_disable(state, primary_encoder, old_crtc_state, old_conn_state);
}
-static void intel_mst_pre_pll_enable_dp(struct intel_atomic_state *state,
- struct intel_encoder *encoder,
- const struct intel_crtc_state *pipe_config,
- const struct drm_connector_state *conn_state)
+static void mst_stream_pre_pll_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
+ const struct intel_crtc_state *pipe_config,
+ const struct drm_connector_state *conn_state)
{
struct intel_encoder *primary_encoder = to_primary_encoder(encoder);
struct intel_dp *intel_dp = to_primary_dp(encoder);
@@ -1174,10 +1168,10 @@ static void intel_mst_reprobe_topology(struct intel_dp *intel_dp,
crtc_state->port_clock, crtc_state->lane_count);
}
-static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
- struct intel_encoder *encoder,
- const struct intel_crtc_state *pipe_config,
- const struct drm_connector_state *conn_state)
+static void mst_stream_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
+ const struct intel_crtc_state *pipe_config,
+ const struct drm_connector_state *conn_state)
{
struct intel_display *display = to_intel_display(state);
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
@@ -1274,10 +1268,10 @@ static void enable_bs_jitter_was(const struct intel_crtc_state *crtc_state)
intel_de_rmw(display, CHICKEN_MISC_3, clear, set);
}
-static void intel_mst_enable_dp(struct intel_atomic_state *state,
- struct intel_encoder *encoder,
- const struct intel_crtc_state *pipe_config,
- const struct drm_connector_state *conn_state)
+static void mst_stream_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
+ const struct intel_crtc_state *pipe_config,
+ const struct drm_connector_state *conn_state)
{
struct intel_display *display = to_intel_display(encoder);
struct intel_encoder *primary_encoder = to_primary_encoder(encoder);
@@ -1345,8 +1339,8 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
intel_hdcp_enable(state, encoder, pipe_config, conn_state);
}
-static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder,
- enum pipe *pipe)
+static bool mst_stream_get_hw_state(struct intel_encoder *encoder,
+ enum pipe *pipe)
{
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
*pipe = intel_mst->pipe;
@@ -1355,16 +1349,16 @@ static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder,
return false;
}
-static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder,
- struct intel_crtc_state *pipe_config)
+static void mst_stream_get_config(struct intel_encoder *encoder,
+ struct intel_crtc_state *pipe_config)
{
struct intel_encoder *primary_encoder = to_primary_encoder(encoder);
primary_encoder->get_config(primary_encoder, pipe_config);
}
-static bool intel_dp_mst_initial_fastset_check(struct intel_encoder *encoder,
- struct intel_crtc_state *crtc_state)
+static bool mst_stream_initial_fastset_check(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state)
{
struct intel_encoder *primary_encoder = to_primary_encoder(encoder);
@@ -1598,7 +1592,7 @@ static const struct drm_connector_helper_funcs intel_dp_mst_connector_helper_fun
.detect_ctx = intel_dp_mst_detect,
};
-static void intel_dp_mst_encoder_destroy(struct drm_encoder *encoder)
+static void mst_stream_encoder_destroy(struct drm_encoder *encoder)
{
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(to_intel_encoder(encoder));
@@ -1606,8 +1600,8 @@ static void intel_dp_mst_encoder_destroy(struct drm_encoder *encoder)
kfree(intel_mst);
}
-static const struct drm_encoder_funcs intel_dp_mst_enc_funcs = {
- .destroy = intel_dp_mst_encoder_destroy,
+static const struct drm_encoder_funcs mst_stream_encoder_funcs = {
+ .destroy = mst_stream_encoder_destroy,
};
static bool intel_dp_mst_get_hw_state(struct intel_connector *connector)
@@ -1787,8 +1781,9 @@ static const struct drm_dp_mst_topology_cbs mst_cbs = {
.poll_hpd_irq = intel_dp_mst_poll_hpd_irq,
};
+/* Create a fake encoder for an individual MST stream */
static struct intel_dp_mst_encoder *
-intel_dp_create_fake_mst_encoder(struct intel_digital_port *dig_port, enum pipe pipe)
+mst_stream_encoder_create(struct intel_digital_port *dig_port, enum pipe pipe)
{
struct intel_display *display = to_intel_display(dig_port);
struct intel_encoder *primary_encoder = &dig_port->base;
@@ -1804,7 +1799,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *dig_port, enum pipe
encoder = &intel_mst->base;
intel_mst->primary = dig_port;
- drm_encoder_init(display->drm, &encoder->base, &intel_dp_mst_enc_funcs,
+ drm_encoder_init(display->drm, &encoder->base, &mst_stream_encoder_funcs,
DRM_MODE_ENCODER_DPMST, "DP-MST %c", pipe_name(pipe));
encoder->type = INTEL_OUTPUT_DP_MST;
@@ -1821,34 +1816,35 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *dig_port, enum pipe
*/
encoder->pipe_mask = ~0;
- encoder->compute_config = intel_dp_mst_compute_config;
- encoder->compute_config_late = intel_dp_mst_compute_config_late;
- encoder->disable = intel_mst_disable_dp;
- encoder->post_disable = intel_mst_post_disable_dp;
- encoder->post_pll_disable = intel_mst_post_pll_disable_dp;
+ encoder->compute_config = mst_stream_compute_config;
+ encoder->compute_config_late = mst_stream_compute_config_late;
+ encoder->disable = mst_stream_disable;
+ encoder->post_disable = mst_stream_post_disable;
+ encoder->post_pll_disable = mst_stream_post_pll_disable;
encoder->update_pipe = intel_ddi_update_pipe;
- encoder->pre_pll_enable = intel_mst_pre_pll_enable_dp;
- encoder->pre_enable = intel_mst_pre_enable_dp;
- encoder->enable = intel_mst_enable_dp;
+ encoder->pre_pll_enable = mst_stream_pre_pll_enable;
+ encoder->pre_enable = mst_stream_pre_enable;
+ encoder->enable = mst_stream_enable;
encoder->audio_enable = intel_audio_codec_enable;
encoder->audio_disable = intel_audio_codec_disable;
- encoder->get_hw_state = intel_dp_mst_enc_get_hw_state;
- encoder->get_config = intel_dp_mst_enc_get_config;
- encoder->initial_fastset_check = intel_dp_mst_initial_fastset_check;
+ encoder->get_hw_state = mst_stream_get_hw_state;
+ encoder->get_config = mst_stream_get_config;
+ encoder->initial_fastset_check = mst_stream_initial_fastset_check;
return intel_mst;
}
+/* Create the fake encoders for MST streams */
static bool
-intel_dp_create_fake_mst_encoders(struct intel_digital_port *dig_port)
+mst_stream_encoders_create(struct intel_digital_port *dig_port)
{
struct intel_display *display = to_intel_display(dig_port);
struct intel_dp *intel_dp = &dig_port->dp;
enum pipe pipe;
for_each_pipe(display, pipe)
- intel_dp->mst_encoders[pipe] = intel_dp_create_fake_mst_encoder(dig_port, pipe);
+ intel_dp->mst_encoders[pipe] = mst_stream_encoder_create(dig_port, pipe);
return true;
}
@@ -1878,7 +1874,7 @@ intel_dp_mst_encoder_init(struct intel_digital_port *dig_port, int conn_base_id)
intel_dp->mst_mgr.cbs = &mst_cbs;
/* create encoders */
- intel_dp_create_fake_mst_encoders(dig_port);
+ mst_stream_encoders_create(dig_port);
ret = drm_dp_mst_topology_mgr_init(&intel_dp->mst_mgr, display->drm,
&intel_dp->aux, 16, 3, conn_base_id);
if (ret) {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.