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path: root/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_stream.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_stream.c121
1 files changed, 120 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index 996298c35f42..96e97d25d639 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -29,6 +29,9 @@
#include "resource.h"
#include "ipp.h"
#include "timing_generator.h"
+#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
+#include "dcn10/dcn10_hw_sequencer.h"
+#endif
#define DC_LOGGER dc->ctx->logger
@@ -160,6 +163,27 @@ struct dc_stream_state *dc_create_stream_for_sink(
return stream;
}
+struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream)
+{
+ struct dc_stream_state *new_stream;
+
+ new_stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
+ if (!new_stream)
+ return NULL;
+
+ memcpy(new_stream, stream, sizeof(struct dc_stream_state));
+
+ if (new_stream->sink)
+ dc_sink_retain(new_stream->sink);
+
+ if (new_stream->out_transfer_func)
+ dc_transfer_func_retain(new_stream->out_transfer_func);
+
+ kref_init(&new_stream->refcount);
+
+ return new_stream;
+}
+
/**
* dc_stream_get_status_from_state - Get stream status from given dc state
* @state: DC state to find the stream status in
@@ -196,6 +220,35 @@ struct dc_stream_status *dc_stream_get_status(
return dc_stream_get_status_from_state(dc->current_state, stream);
}
+static void delay_cursor_until_vupdate(struct pipe_ctx *pipe_ctx, struct dc *dc)
+{
+#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
+ unsigned int vupdate_line;
+ unsigned int lines_to_vupdate, us_to_vupdate, vpos, nvpos;
+ struct dc_stream_state *stream = pipe_ctx->stream;
+ unsigned int us_per_line;
+
+ if (stream->ctx->asic_id.chip_family == FAMILY_RV &&
+ ASIC_REV_IS_RAVEN(stream->ctx->asic_id.hw_internal_rev)) {
+
+ vupdate_line = get_vupdate_offset_from_vsync(pipe_ctx);
+ if (!dc_stream_get_crtc_position(dc, &stream, 1, &vpos, &nvpos))
+ return;
+
+ if (vpos >= vupdate_line)
+ return;
+
+ us_per_line = stream->timing.h_total * 10000 / stream->timing.pix_clk_100hz;
+ lines_to_vupdate = vupdate_line - vpos;
+ us_to_vupdate = lines_to_vupdate * us_per_line;
+
+ /* 70 us is a conservative estimate of cursor update time*/
+ if (us_to_vupdate < 70)
+ udelay(us_to_vupdate);
+ }
+#endif
+}
+
/**
* dc_stream_set_cursor_attributes() - Update cursor attributes and set cursor surface address
*/
@@ -234,6 +287,8 @@ bool dc_stream_set_cursor_attributes(
if (!pipe_to_program) {
pipe_to_program = pipe_ctx;
+
+ delay_cursor_until_vupdate(pipe_ctx, core_dc);
core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true);
}
@@ -278,11 +333,13 @@ bool dc_stream_set_cursor_position(
(!pipe_ctx->plane_res.mi && !pipe_ctx->plane_res.hubp) ||
!pipe_ctx->plane_state ||
(!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp) ||
- !pipe_ctx->plane_res.ipp)
+ (!pipe_ctx->plane_res.ipp && !pipe_ctx->plane_res.dpp))
continue;
if (!pipe_to_program) {
pipe_to_program = pipe_ctx;
+
+ delay_cursor_until_vupdate(pipe_ctx, core_dc);
core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true);
}
@@ -314,6 +371,68 @@ uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
return 0;
}
+static void build_dp_sdp_info_frame(struct pipe_ctx *pipe_ctx,
+ const uint8_t *custom_sdp_message,
+ unsigned int sdp_message_size)
+{
+ uint8_t i;
+ struct encoder_info_frame *info = &pipe_ctx->stream_res.encoder_info_frame;
+
+ /* set valid info */
+ info->dpsdp.valid = true;
+
+ /* set sdp message header */
+ info->dpsdp.hb0 = custom_sdp_message[0]; /* package id */
+ info->dpsdp.hb1 = custom_sdp_message[1]; /* package type */
+ info->dpsdp.hb2 = custom_sdp_message[2]; /* package specific byte 0 any data */
+ info->dpsdp.hb3 = custom_sdp_message[3]; /* package specific byte 0 any data */
+
+ /* set sdp message data */
+ for (i = 0; i < 32; i++)
+ info->dpsdp.sb[i] = (custom_sdp_message[i+4]);
+
+}
+
+static void invalid_dp_sdp_info_frame(struct pipe_ctx *pipe_ctx)
+{
+ struct encoder_info_frame *info = &pipe_ctx->stream_res.encoder_info_frame;
+
+ /* in-valid info */
+ info->dpsdp.valid = false;
+}
+
+bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
+ const uint8_t *custom_sdp_message,
+ unsigned int sdp_message_size)
+{
+ int i;
+ struct dc *core_dc;
+ struct resource_context *res_ctx;
+
+ if (stream == NULL) {
+ dm_error("DC: dc_stream is NULL!\n");
+ return false;
+ }
+
+ core_dc = stream->ctx->dc;
+ res_ctx = &core_dc->current_state->res_ctx;
+
+ for (i = 0; i < MAX_PIPES; i++) {
+ struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
+
+ if (pipe_ctx->stream != stream)
+ continue;
+
+ build_dp_sdp_info_frame(pipe_ctx, custom_sdp_message, sdp_message_size);
+
+ core_dc->hwss.update_info_frame(pipe_ctx);
+
+ invalid_dp_sdp_info_frame(pipe_ctx);
+ }
+
+ return true;
+}
+
bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
uint32_t *v_blank_start,
uint32_t *v_blank_end,