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-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c55
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c33
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h8
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_dp_types.h4
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c5
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c28
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c38
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c3
15 files changed, 157 insertions, 33 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index d3100f641ac6..bc4cd11bfc79 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4718,9 +4718,23 @@ static int get_brightness_range(const struct amdgpu_dm_backlight_caps *caps,
return 1;
}
+/* Rescale from [min..max] to [0..AMDGPU_MAX_BL_LEVEL] */
+static inline u32 scale_input_to_fw(int min, int max, u64 input)
+{
+ return DIV_ROUND_CLOSEST_ULL(input * AMDGPU_MAX_BL_LEVEL, max - min);
+}
+
+/* Rescale from [0..AMDGPU_MAX_BL_LEVEL] to [min..max] */
+static inline u32 scale_fw_to_input(int min, int max, u64 input)
+{
+ return min + DIV_ROUND_CLOSEST_ULL(input * (max - min), AMDGPU_MAX_BL_LEVEL);
+}
+
static void convert_custom_brightness(const struct amdgpu_dm_backlight_caps *caps,
- uint32_t *brightness)
+ unsigned int min, unsigned int max,
+ uint32_t *user_brightness)
{
+ u32 brightness = scale_input_to_fw(min, max, *user_brightness);
u8 prev_signal = 0, prev_lum = 0;
int i = 0;
@@ -4731,7 +4745,7 @@ static void convert_custom_brightness(const struct amdgpu_dm_backlight_caps *cap
return;
/* choose start to run less interpolation steps */
- if (caps->luminance_data[caps->data_points/2].input_signal > *brightness)
+ if (caps->luminance_data[caps->data_points/2].input_signal > brightness)
i = caps->data_points/2;
do {
u8 signal = caps->luminance_data[i].input_signal;
@@ -4742,17 +4756,18 @@ static void convert_custom_brightness(const struct amdgpu_dm_backlight_caps *cap
* brightness < signal: interpolate between previous and current luminance numerator
* brightness > signal: find next data point
*/
- if (*brightness > signal) {
+ if (brightness > signal) {
prev_signal = signal;
prev_lum = lum;
i++;
continue;
}
- if (*brightness < signal)
+ if (brightness < signal)
lum = prev_lum + DIV_ROUND_CLOSEST((lum - prev_lum) *
- (*brightness - prev_signal),
+ (brightness - prev_signal),
signal - prev_signal);
- *brightness = DIV_ROUND_CLOSEST(lum * *brightness, 101);
+ *user_brightness = scale_fw_to_input(min, max,
+ DIV_ROUND_CLOSEST(lum * brightness, 101));
return;
} while (i < caps->data_points);
}
@@ -4765,11 +4780,10 @@ static u32 convert_brightness_from_user(const struct amdgpu_dm_backlight_caps *c
if (!get_brightness_range(caps, &min, &max))
return brightness;
- convert_custom_brightness(caps, &brightness);
+ convert_custom_brightness(caps, min, max, &brightness);
- // Rescale 0..255 to min..max
- return min + DIV_ROUND_CLOSEST((max - min) * brightness,
- AMDGPU_MAX_BL_LEVEL);
+ // Rescale 0..max to min..max
+ return min + DIV_ROUND_CLOSEST_ULL((u64)(max - min) * brightness, max);
}
static u32 convert_brightness_to_user(const struct amdgpu_dm_backlight_caps *caps,
@@ -4782,8 +4796,8 @@ static u32 convert_brightness_to_user(const struct amdgpu_dm_backlight_caps *cap
if (brightness < min)
return 0;
- // Rescale min..max to 0..255
- return DIV_ROUND_CLOSEST(AMDGPU_MAX_BL_LEVEL * (brightness - min),
+ // Rescale min..max to 0..max
+ return DIV_ROUND_CLOSEST_ULL((u64)max * (brightness - min),
max - min);
}
@@ -4908,7 +4922,7 @@ amdgpu_dm_register_backlight_device(struct amdgpu_dm_connector *aconnector)
struct drm_device *drm = aconnector->base.dev;
struct amdgpu_display_manager *dm = &drm_to_adev(drm)->dm;
struct backlight_properties props = { 0 };
- struct amdgpu_dm_backlight_caps caps = { 0 };
+ struct amdgpu_dm_backlight_caps *caps;
char bl_name[16];
int min, max;
@@ -4922,22 +4936,21 @@ amdgpu_dm_register_backlight_device(struct amdgpu_dm_connector *aconnector)
return;
}
- amdgpu_acpi_get_backlight_caps(&caps);
- if (caps.caps_valid && get_brightness_range(&caps, &min, &max)) {
+ caps = &dm->backlight_caps[aconnector->bl_idx];
+ if (get_brightness_range(caps, &min, &max)) {
if (power_supply_is_system_supplied() > 0)
- props.brightness = (max - min) * DIV_ROUND_CLOSEST(caps.ac_level, 100);
+ props.brightness = (max - min) * DIV_ROUND_CLOSEST(caps->ac_level, 100);
else
- props.brightness = (max - min) * DIV_ROUND_CLOSEST(caps.dc_level, 100);
+ props.brightness = (max - min) * DIV_ROUND_CLOSEST(caps->dc_level, 100);
/* min is zero, so max needs to be adjusted */
props.max_brightness = max - min;
drm_dbg(drm, "Backlight caps: min: %d, max: %d, ac %d, dc %d\n", min, max,
- caps.ac_level, caps.dc_level);
+ caps->ac_level, caps->dc_level);
} else
- props.brightness = AMDGPU_MAX_BL_LEVEL;
+ props.brightness = props.max_brightness = AMDGPU_MAX_BL_LEVEL;
- if (caps.data_points && !(amdgpu_dc_debug_mask & DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE))
+ if (caps->data_points && !(amdgpu_dc_debug_mask & DC_DISABLE_CUSTOM_BRIGHTNESS_CURVE))
drm_info(drm, "Using custom brightness curve\n");
- props.max_brightness = AMDGPU_MAX_BL_LEVEL;
props.type = BACKLIGHT_RAW;
snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d",
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 56d011a1323c..b34b5b52236d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -241,6 +241,7 @@ static bool create_links(
DC_LOG_DC("BIOS object table - end");
/* Create a link for each usb4 dpia port */
+ dc->lowest_dpia_link_index = MAX_LINKS;
for (i = 0; i < dc->res_pool->usb4_dpia_count; i++) {
struct link_init_data link_init_params = {0};
struct dc_link *link;
@@ -253,6 +254,9 @@ static bool create_links(
link = dc->link_srv->create_link(&link_init_params);
if (link) {
+ if (dc->lowest_dpia_link_index > dc->link_count)
+ dc->lowest_dpia_link_index = dc->link_count;
+
dc->links[dc->link_count] = link;
link->dc = dc;
++dc->link_count;
@@ -6376,6 +6380,35 @@ unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context)
else
return 0;
}
+/**
+ ***********************************************************************************************
+ * dc_get_host_router_index: Get index of host router from a dpia link
+ *
+ * This function return a host router index of the target link. If the target link is dpia link.
+ *
+ * @param [in] link: target link
+ * @param [out] host_router_index: host router index of the target link
+ *
+ * @return: true if the host router index is found and valid.
+ *
+ ***********************************************************************************************
+ */
+bool dc_get_host_router_index(const struct dc_link *link, unsigned int *host_router_index)
+{
+ struct dc *dc = link->ctx->dc;
+
+ if (link->ep_type != DISPLAY_ENDPOINT_USB4_DPIA)
+ return false;
+
+ if (link->link_index < dc->lowest_dpia_link_index)
+ return false;
+
+ *host_router_index = (link->link_index - dc->lowest_dpia_link_index) / dc->caps.num_of_dpias_per_host_router;
+ if (*host_router_index < dc->caps.num_of_host_routers)
+ return true;
+ else
+ return false;
+}
bool dc_is_cursor_limit_pending(struct dc *dc)
{
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 1d917be36fc4..f41073c0147e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -66,7 +66,8 @@ struct dmub_notification;
#define MAX_STREAMS 6
#define MIN_VIEWPORT_SIZE 12
#define MAX_NUM_EDP 2
-#define MAX_HOST_ROUTERS_NUM 2
+#define MAX_HOST_ROUTERS_NUM 3
+#define MAX_DPIA_PER_HOST_ROUTER 2
/* Display Core Interfaces */
struct dc_versions {
@@ -305,6 +306,8 @@ struct dc_caps {
/* Conservative limit for DCC cases which require ODM4:1 to support*/
uint32_t dcc_plane_width_limit;
struct dc_scl_caps scl_caps;
+ uint8_t num_of_host_routers;
+ uint8_t num_of_dpias_per_host_router;
};
struct dc_bug_wa {
@@ -1603,6 +1606,7 @@ struct dc {
uint8_t link_count;
struct dc_link *links[MAX_LINKS];
+ uint8_t lowest_dpia_link_index;
struct link_service *link_srv;
struct dc_state *current_state;
@@ -2595,6 +2599,8 @@ struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state
unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context);
+bool dc_get_host_router_index(const struct dc_link *link, unsigned int *host_router_index);
+
/* DSC Interfaces */
#include "dc_dsc.h"
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
index 0bad8304ccf6..d346f8ae1634 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
@@ -1172,8 +1172,8 @@ struct dc_lttpr_caps {
union dp_128b_132b_supported_lttpr_link_rates supported_128b_132b_rates;
union dp_alpm_lttpr_cap alpm;
uint8_t aux_rd_interval[MAX_REPEATER_CNT - 1];
- uint8_t lttpr_ieee_oui[3];
- uint8_t lttpr_device_id[6];
+ uint8_t lttpr_ieee_oui[3]; // Always read from closest LTTPR to host
+ uint8_t lttpr_device_id[6]; // Always read from closest LTTPR to host
};
struct dc_dongle_dfp_cap_ext {
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
index d47cacfdb695..2aa6d44bb359 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c
@@ -788,6 +788,7 @@ static void populate_dml21_plane_config_from_plane_state(struct dml2_context *dm
plane->pixel_format = dml2_420_10;
break;
case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
+ case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616:
case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
plane->pixel_format = dml2_444_64;
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
index c4dad7164d31..5b62cd19d979 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_dcn4_calcs.c
@@ -4685,7 +4685,10 @@ static void calculate_tdlut_setting(
//the tdlut is fetched during the 2 row times of prefetch.
if (p->setup_for_tdlut) {
*p->tdlut_groups_per_2row_ub = (unsigned int)math_ceil2((double) *p->tdlut_bytes_per_frame / *p->tdlut_bytes_per_group, 1);
- *p->tdlut_opt_time = (*p->tdlut_bytes_per_frame - p->cursor_buffer_size * 1024) / tdlut_drain_rate;
+ if (*p->tdlut_bytes_per_frame > p->cursor_buffer_size * 1024)
+ *p->tdlut_opt_time = (*p->tdlut_bytes_per_frame - p->cursor_buffer_size * 1024) / tdlut_drain_rate;
+ else
+ *p->tdlut_opt_time = 0;
*p->tdlut_drain_time = p->cursor_buffer_size * 1024 / tdlut_drain_rate;
*p->tdlut_bytes_to_deliver = (unsigned int) (p->cursor_buffer_size * 1024.0);
}
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
index 5de775fd8fce..208630754c8a 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c
@@ -953,6 +953,7 @@ static void populate_dml_surface_cfg_from_plane_state(enum dml_project_id dml2_p
out->SourcePixelFormat[location] = dml_420_10;
break;
case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
+ case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616:
case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
out->SourcePixelFormat[location] = dml_444_64;
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
index e8730cc40edb..38e17b1796e1 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
@@ -1225,7 +1225,7 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx)
return;
if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
- if (!link->skip_implict_edp_power_control)
+ if (!link->skip_implict_edp_power_control && hws)
hws->funcs.edp_backlight_control(link, false);
link->dc->hwss.set_abm_immediate_disable(pipe_ctx);
}
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
index c814d957305a..a267f574b619 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
@@ -1047,6 +1047,15 @@ void dcn35_calc_blocks_to_gate(struct dc *dc, struct dc_state *context,
if (dc->caps.sequential_ono) {
update_state->pg_pipe_res_update[PG_HUBP][pipe_ctx->stream_res.dsc->inst] = false;
update_state->pg_pipe_res_update[PG_DPP][pipe_ctx->stream_res.dsc->inst] = false;
+
+ /* All HUBP/DPP instances must be powered if the DSC inst != HUBP inst */
+ if (!pipe_ctx->top_pipe && pipe_ctx->plane_res.hubp &&
+ pipe_ctx->plane_res.hubp->inst != pipe_ctx->stream_res.dsc->inst) {
+ for (j = 0; j < dc->res_pool->pipe_count; ++j) {
+ update_state->pg_pipe_res_update[PG_HUBP][j] = false;
+ update_state->pg_pipe_res_update[PG_DPP][j] = false;
+ }
+ }
}
}
@@ -1193,6 +1202,25 @@ void dcn35_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context,
update_state->pg_pipe_res_update[PG_HDMISTREAM][0] = true;
if (dc->caps.sequential_ono) {
+ for (i = 0; i < dc->res_pool->pipe_count; i++) {
+ struct pipe_ctx *new_pipe = &context->res_ctx.pipe_ctx[i];
+
+ if (new_pipe->stream_res.dsc && !new_pipe->top_pipe &&
+ update_state->pg_pipe_res_update[PG_DSC][new_pipe->stream_res.dsc->inst]) {
+ update_state->pg_pipe_res_update[PG_HUBP][new_pipe->stream_res.dsc->inst] = true;
+ update_state->pg_pipe_res_update[PG_DPP][new_pipe->stream_res.dsc->inst] = true;
+
+ /* All HUBP/DPP instances must be powered if the DSC inst != HUBP inst */
+ if (new_pipe->plane_res.hubp &&
+ new_pipe->plane_res.hubp->inst != new_pipe->stream_res.dsc->inst) {
+ for (j = 0; j < dc->res_pool->pipe_count; ++j) {
+ update_state->pg_pipe_res_update[PG_HUBP][j] = true;
+ update_state->pg_pipe_res_update[PG_DPP][j] = true;
+ }
+ }
+ }
+ }
+
for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
if (update_state->pg_pipe_res_update[PG_HUBP][i] &&
update_state->pg_pipe_res_update[PG_DPP][i]) {
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index a5127c2d47ef..0f965380a9b4 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -385,9 +385,15 @@ bool dp_is_128b_132b_signal(struct pipe_ctx *pipe_ctx)
bool dp_is_lttpr_present(struct dc_link *link)
{
/* Some sink devices report invalid LTTPR revision, so don't validate against that cap */
- return (dp_parse_lttpr_repeater_count(link->dpcd_caps.lttpr_caps.phy_repeater_cnt) != 0 &&
+ uint32_t lttpr_count = dp_parse_lttpr_repeater_count(link->dpcd_caps.lttpr_caps.phy_repeater_cnt);
+ bool is_lttpr_present = (lttpr_count > 0 &&
link->dpcd_caps.lttpr_caps.max_lane_count > 0 &&
link->dpcd_caps.lttpr_caps.max_lane_count <= 4);
+
+ if (lttpr_count > 0 && !is_lttpr_present)
+ DC_LOG_ERROR("LTTPR count is nonzero but invalid lane count reported. Assuming no LTTPR present.\n");
+
+ return is_lttpr_present;
}
/* in DP compliance test, DPR-120 may have
@@ -1551,6 +1557,8 @@ enum dc_status dp_retrieve_lttpr_cap(struct dc_link *link)
uint8_t lttpr_dpcd_data[10] = {0};
enum dc_status status;
bool is_lttpr_present;
+ uint32_t lttpr_count;
+ uint32_t closest_lttpr_offset;
/* Logic to determine LTTPR support*/
bool vbios_lttpr_interop = link->dc->caps.vbios_lttpr_aware;
@@ -1602,20 +1610,22 @@ enum dc_status dp_retrieve_lttpr_cap(struct dc_link *link)
lttpr_dpcd_data[DP_LTTPR_ALPM_CAPABILITIES -
DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV];
+ lttpr_count = dp_parse_lttpr_repeater_count(link->dpcd_caps.lttpr_caps.phy_repeater_cnt);
+
/* If this chip cap is set, at least one retimer must exist in the chain
* Override count to 1 if we receive a known bad count (0 or an invalid value) */
if (((link->chip_caps & AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK) == AMD_EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) &&
- (dp_parse_lttpr_repeater_count(link->dpcd_caps.lttpr_caps.phy_repeater_cnt) == 0)) {
+ lttpr_count == 0) {
/* If you see this message consistently, either the host platform has FIXED_VS flag
* incorrectly configured or the sink device is returning an invalid count.
*/
DC_LOG_ERROR("lttpr_caps phy_repeater_cnt is 0x%x, forcing it to 0x80.",
link->dpcd_caps.lttpr_caps.phy_repeater_cnt);
link->dpcd_caps.lttpr_caps.phy_repeater_cnt = 0x80;
+ lttpr_count = 1;
DC_LOG_DC("lttpr_caps forced phy_repeater_cnt = %d\n", link->dpcd_caps.lttpr_caps.phy_repeater_cnt);
}
- /* Attempt to train in LTTPR transparent mode if repeater count exceeds 8. */
is_lttpr_present = dp_is_lttpr_present(link);
DC_LOG_DC("is_lttpr_present = %d\n", is_lttpr_present);
@@ -1623,11 +1633,25 @@ enum dc_status dp_retrieve_lttpr_cap(struct dc_link *link)
if (is_lttpr_present) {
CONN_DATA_DETECT(link, lttpr_dpcd_data, sizeof(lttpr_dpcd_data), "LTTPR Caps: ");
- core_link_read_dpcd(link, DP_LTTPR_IEEE_OUI, link->dpcd_caps.lttpr_caps.lttpr_ieee_oui, sizeof(link->dpcd_caps.lttpr_caps.lttpr_ieee_oui));
- CONN_DATA_DETECT(link, link->dpcd_caps.lttpr_caps.lttpr_ieee_oui, sizeof(link->dpcd_caps.lttpr_caps.lttpr_ieee_oui), "LTTPR IEEE OUI: ");
+ // Identify closest LTTPR to determine if workarounds required for known embedded LTTPR
+ closest_lttpr_offset = dp_get_closest_lttpr_offset(lttpr_count);
- core_link_read_dpcd(link, DP_LTTPR_DEVICE_ID, link->dpcd_caps.lttpr_caps.lttpr_device_id, sizeof(link->dpcd_caps.lttpr_caps.lttpr_device_id));
- CONN_DATA_DETECT(link, link->dpcd_caps.lttpr_caps.lttpr_device_id, sizeof(link->dpcd_caps.lttpr_caps.lttpr_device_id), "LTTPR Device ID: ");
+ core_link_read_dpcd(link, (DP_LTTPR_IEEE_OUI + closest_lttpr_offset),
+ link->dpcd_caps.lttpr_caps.lttpr_ieee_oui, sizeof(link->dpcd_caps.lttpr_caps.lttpr_ieee_oui));
+ core_link_read_dpcd(link, (DP_LTTPR_DEVICE_ID + closest_lttpr_offset),
+ link->dpcd_caps.lttpr_caps.lttpr_device_id, sizeof(link->dpcd_caps.lttpr_caps.lttpr_device_id));
+
+ if (lttpr_count > 1) {
+ CONN_DATA_DETECT(link, link->dpcd_caps.lttpr_caps.lttpr_ieee_oui, sizeof(link->dpcd_caps.lttpr_caps.lttpr_ieee_oui),
+ "Closest LTTPR To Host's IEEE OUI: ");
+ CONN_DATA_DETECT(link, link->dpcd_caps.lttpr_caps.lttpr_device_id, sizeof(link->dpcd_caps.lttpr_caps.lttpr_device_id),
+ "Closest LTTPR To Host's LTTPR Device ID: ");
+ } else {
+ CONN_DATA_DETECT(link, link->dpcd_caps.lttpr_caps.lttpr_ieee_oui, sizeof(link->dpcd_caps.lttpr_caps.lttpr_ieee_oui),
+ "LTTPR IEEE OUI: ");
+ CONN_DATA_DETECT(link, link->dpcd_caps.lttpr_caps.lttpr_device_id, sizeof(link->dpcd_caps.lttpr_caps.lttpr_device_id),
+ "LTTPR Device ID: ");
+ }
}
return status;
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
index 7e0af5297dc4..51ca0b2959fc 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn31/dcn31_resource.c
@@ -1954,6 +1954,9 @@ static bool dcn31_resource_construct(
dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
dc->caps.color.mpc.ocsc = 1;
+ dc->caps.num_of_host_routers = 2;
+ dc->caps.num_of_dpias_per_host_router = 2;
+
/* Use pipe context based otg sync logic */
dc->config.use_pipe_ctx_sync_logic = true;
dc->config.disable_hbr_audio_dp2 = true;
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
index d96bc6cb73ad..8383e2e59be5 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c
@@ -1885,6 +1885,9 @@ static bool dcn314_resource_construct(
dc->caps.max_disp_clock_khz_at_vmin = 650000;
+ dc->caps.num_of_host_routers = 2;
+ dc->caps.num_of_dpias_per_host_router = 2;
+
/* Use pipe context based otg sync logic */
dc->config.use_pipe_ctx_sync_logic = true;
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
index 72c6cf047db0..e01aa2f2e13e 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
@@ -1894,6 +1894,9 @@ static bool dcn35_resource_construct(
dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
dc->caps.color.mpc.ocsc = 1;
+ dc->caps.num_of_host_routers = 2;
+ dc->caps.num_of_dpias_per_host_router = 2;
+
/* max_disp_clock_khz_at_vmin is slightly lower than the STA value in order
* to provide some margin.
* It's expected for furture ASIC to have equal or higher value, in order to
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
index 989a270f7dea..4ebe4e00a4f8 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
@@ -1866,6 +1866,9 @@ static bool dcn351_resource_construct(
dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
dc->caps.color.mpc.ocsc = 1;
+ dc->caps.num_of_host_routers = 2;
+ dc->caps.num_of_dpias_per_host_router = 2;
+
/* max_disp_clock_khz_at_vmin is slightly lower than the STA value in order
* to provide some margin.
* It's expected for furture ASIC to have equal or higher value, in order to
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
index 48e1f234185f..db36b8f9ce65 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn36/dcn36_resource.c
@@ -1867,6 +1867,9 @@ static bool dcn36_resource_construct(
dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
dc->caps.color.mpc.ocsc = 1;
+ dc->caps.num_of_host_routers = 2;
+ dc->caps.num_of_dpias_per_host_router = 2;
+
/* max_disp_clock_khz_at_vmin is slightly lower than the STA value in order
* to provide some margin.
* It's expected for furture ASIC to have equal or higher value, in order to