aboutsummaryrefslogtreecommitdiffstats
path: root/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0639-drm-amd-display-plumbing-to-allow-easy-print-of-HW-s.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0639-drm-amd-display-plumbing-to-allow-easy-print-of-HW-s.patch')
-rw-r--r--meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0639-drm-amd-display-plumbing-to-allow-easy-print-of-HW-s.patch107
1 files changed, 107 insertions, 0 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0639-drm-amd-display-plumbing-to-allow-easy-print-of-HW-s.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0639-drm-amd-display-plumbing-to-allow-easy-print-of-HW-s.patch
new file mode 100644
index 00000000..55cedeb9
--- /dev/null
+++ b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0639-drm-amd-display-plumbing-to-allow-easy-print-of-HW-s.patch
@@ -0,0 +1,107 @@
+From b478e4f096a5a7cc340ffedab26a18fb2cf518e0 Mon Sep 17 00:00:00 2001
+From: Tony Cheng <tony.cheng@amd.com>
+Date: Thu, 20 Jul 2017 00:12:20 -0400
+Subject: [PATCH 0639/4131] drm/amd/display: plumbing to allow easy print of HW
+ state for DTN
+
+Signed-off-by: Tony Cheng <tony.cheng@amd.com>
+Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc.c | 7 +++++++
+ drivers/gpu/drm/amd/display/dc/dc.h | 2 ++
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 12 ++++++++++++
+ drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h | 2 ++
+ drivers/gpu/drm/amd/display/include/logger_interface.h | 4 ++++
+ 5 files changed, 27 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
+index eda36c7..ad1b905 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
+@@ -2035,3 +2035,10 @@ bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data)
+
+ }
+
++void dc_log_hw_state(struct dc *dc)
++{
++ struct core_dc *core_dc = DC_TO_CORE(dc);
++
++ if (core_dc->hwss.log_hw_state)
++ core_dc->hwss.log_hw_state(core_dc);
++}
+diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
+index 7ecbff7..7b8e11c 100644
+--- a/drivers/gpu/drm/amd/display/dc/dc.h
++++ b/drivers/gpu/drm/amd/display/dc/dc.h
+@@ -236,6 +236,8 @@ void dc_destroy(struct dc **dc);
+
+ bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data);
+
++void dc_log_hw_state(struct dc *dc);
++
+ /*******************************************************************************
+ * Surface Interfaces
+ ******************************************************************************/
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+index 6543027..c0aa32b 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+@@ -1851,6 +1851,17 @@ static void dcn10_setup_stereo(struct pipe_ctx *pipe_ctx, struct core_dc *dc)
+ return;
+ }
+
++static void dcn10_log_hw_state(struct core_dc *dc)
++{
++ struct dc_context *dc_ctx = dc->ctx;
++
++ DTN_INFO("%s: Hello World", __func__);
++
++ /* todo: add meaningful register reads and print out HW state
++ *
++ */
++}
++
+ static bool dcn10_dummy_display_power_gating(
+ struct core_dc *dc,
+ uint8_t controller_id,
+@@ -1887,6 +1898,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = {
+ .set_static_screen_control = set_static_screen_control,
+ .setup_stereo = dcn10_setup_stereo,
+ .set_avmute = dce110_set_avmute,
++ .log_hw_state = dcn10_log_hw_state,
+ };
+
+
+diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+index d94e8e4..4c027a9 100644
+--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
++++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+@@ -154,6 +154,8 @@ struct hw_sequencer_funcs {
+ struct core_dc *dc);
+
+ void (*set_avmute)(struct pipe_ctx *pipe_ctx, bool enable);
++
++ void (*log_hw_state)(struct core_dc *dc);
+ };
+
+ void color_space_to_black_color(
+diff --git a/drivers/gpu/drm/amd/display/include/logger_interface.h b/drivers/gpu/drm/amd/display/include/logger_interface.h
+index ce5fef2..c861e72 100644
+--- a/drivers/gpu/drm/amd/display/include/logger_interface.h
++++ b/drivers/gpu/drm/amd/display/include/logger_interface.h
+@@ -123,6 +123,10 @@ void context_clock_trace(
+ dm_logger_write(dc_ctx->logger, LOG_ERROR, \
+ __VA_ARGS__);
+
++#define DTN_INFO(...) \
++ dm_logger_write(dc_ctx->logger, LOG_DTN, \
++ __VA_ARGS__)
++
+ #define DC_SYNC_INFO(...) \
+ dm_logger_write(dc_ctx->logger, LOG_SYNC, \
+ __VA_ARGS__);
+--
+2.7.4
+