aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c71
1 files changed, 69 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index 6fee12c91ef5..8cbeeb7c986d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -40,6 +40,39 @@
#include "dm_helpers.h"
+struct monitor_patch_info {
+ unsigned int manufacturer_id;
+ unsigned int product_id;
+ void (*patch_func)(struct dc_edid_caps *edid_caps, unsigned int param);
+ unsigned int patch_param;
+};
+static void set_max_dsc_bpp_limit(struct dc_edid_caps *edid_caps, unsigned int param);
+
+static const struct monitor_patch_info monitor_patch_table[] = {
+{0x6D1E, 0x5BBF, set_max_dsc_bpp_limit, 15},
+{0x6D1E, 0x5B9A, set_max_dsc_bpp_limit, 15},
+};
+
+static void set_max_dsc_bpp_limit(struct dc_edid_caps *edid_caps, unsigned int param)
+{
+ if (edid_caps)
+ edid_caps->panel_patch.max_dsc_target_bpp_limit = param;
+}
+
+static int amdgpu_dm_patch_edid_caps(struct dc_edid_caps *edid_caps)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < ARRAY_SIZE(monitor_patch_table); i++)
+ if ((edid_caps->manufacturer_id == monitor_patch_table[i].manufacturer_id)
+ && (edid_caps->product_id == monitor_patch_table[i].product_id)) {
+ monitor_patch_table[i].patch_func(edid_caps, monitor_patch_table[i].patch_param);
+ ret++;
+ }
+
+ return ret;
+}
+
/* dm_helpers_parse_edid_caps
*
* Parse edid caps
@@ -125,6 +158,8 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
kfree(sads);
kfree(sadb);
+ amdgpu_dm_patch_edid_caps(edid_caps);
+
return result;
}
@@ -184,6 +219,7 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
struct drm_dp_mst_topology_mgr *mst_mgr;
struct drm_dp_mst_port *mst_port;
bool ret;
+ u8 link_coding_cap = DP_8b_10b_ENCODING;
aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
/* Accessing the connector state is required for vcpi_slots allocation
@@ -203,6 +239,10 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
mst_port = aconnector->port;
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ link_coding_cap = dc_link_dp_mst_decide_link_encoding_format(aconnector->dc_link);
+#endif
+
if (enable) {
ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port,
@@ -216,7 +256,7 @@ bool dm_helpers_dp_mst_write_payload_allocation_table(
}
/* It's OK for this to fail */
- drm_dp_update_payload_part1(mst_mgr);
+ drm_dp_update_payload_part1(mst_mgr, (link_coding_cap == DP_CAP_ANSI_128B132B) ? 0:1);
/* mst_mgr->->payloads are VC payload notify MST branch using DPCD or
* AUX message. The sequence is slot 1-63 allocated sequence for each
@@ -648,8 +688,21 @@ int dm_helper_dmub_aux_transfer_sync(
struct aux_payload *payload,
enum aux_return_code_type *operation_result)
{
- return amdgpu_dm_process_dmub_aux_transfer_sync(ctx, link->link_index, payload, operation_result);
+ return amdgpu_dm_process_dmub_aux_transfer_sync(true, ctx,
+ link->link_index, (void *)payload,
+ (void *)operation_result);
}
+
+int dm_helpers_dmub_set_config_sync(struct dc_context *ctx,
+ const struct dc_link *link,
+ struct set_config_cmd_payload *payload,
+ enum set_config_status *operation_result)
+{
+ return amdgpu_dm_process_dmub_aux_transfer_sync(false, ctx,
+ link->link_index, (void *)payload,
+ (void *)operation_result);
+}
+
void dm_set_dcn_clocks(struct dc_context *ctx, struct dc_clocks *clks)
{
/* TODO: something */
@@ -751,3 +804,17 @@ void dm_helpers_mst_enable_stream_features(const struct dc_stream_state *stream)
&new_downspread.raw,
sizeof(new_downspread));
}
+
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+void dm_set_phyd32clk(struct dc_context *ctx, int freq_khz)
+{
+ // FPGA programming for this clock in diags framework that
+ // needs to go through dm layer, therefore leave dummy interace here
+}
+
+
+void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable)
+{
+ /* TODO: add peridic detection implementation */
+}
+#endif