aboutsummaryrefslogtreecommitdiffstats
path: root/common/recipes-kernel/linux/linux-yocto-4.14.71/4895-drm-amd-display-Implement-cursor-multiplier.patch
diff options
context:
space:
mode:
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4895-drm-amd-display-Implement-cursor-multiplier.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/4895-drm-amd-display-Implement-cursor-multiplier.patch117
1 files changed, 117 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4895-drm-amd-display-Implement-cursor-multiplier.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4895-drm-amd-display-Implement-cursor-multiplier.patch
new file mode 100644
index 00000000..ef7b4afb
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4895-drm-amd-display-Implement-cursor-multiplier.patch
@@ -0,0 +1,117 @@
+From 4101acd1a4f21dc0f043feadd26ce296c35a3e09 Mon Sep 17 00:00:00 2001
+From: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
+Date: Thu, 14 Jun 2018 15:08:58 -0400
+Subject: [PATCH 4895/5725] drm/amd/display: Implement cursor multiplier
+
+DCN allows cursor multiplier when blending FP16 surface.
+
+Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
+Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
+Reviewed-by: Anthony Koo <Anthony.Koo@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/dc_hw_types.h | 1 +
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c | 15 +++++++++++++++
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h | 12 ++++++++----
+ 3 files changed, 24 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+index f285d37..7117f9f 100644
+--- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
++++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+@@ -490,6 +490,7 @@ struct dc_cursor_attributes {
+ uint32_t height;
+
+ enum dc_cursor_color_format color_format;
++ uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
+
+ /* In case we support HW Cursor rotation in the future */
+ enum dc_rotation_angle rotation_angle;
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+index ec8e833..9eb60a0 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+@@ -27,6 +27,7 @@
+ #include "reg_helper.h"
+ #include "basics/conversion.h"
+ #include "dcn10_hubp.h"
++#include "custom_float.h"
+
+ #define REG(reg)\
+ hubp1->hubp_regs->reg
+@@ -1038,6 +1039,18 @@ void hubp1_cursor_set_attributes(
+ enum cursor_pitch hw_pitch = hubp1_get_cursor_pitch(attr->pitch);
+ enum cursor_lines_per_chunk lpc = hubp1_get_lines_per_chunk(
+ attr->width, attr->color_format);
++ struct fixed31_32 multiplier;
++ uint32_t hw_mult = 0x3c00; // 1.0 default multiplier
++ struct custom_float_format fmt;
++
++ fmt.exponenta_bits = 5;
++ fmt.mantissa_bits = 10;
++ fmt.sign = true;
++
++ if (attr->sdr_white_level > 80) {
++ multiplier = dc_fixpt_from_fraction(attr->sdr_white_level, 80);
++ convert_to_custom_float_format(multiplier, &fmt, &hw_mult);
++ }
+
+ hubp->curs_attr = *attr;
+
+@@ -1060,6 +1073,8 @@ void hubp1_cursor_set_attributes(
+ CURSOR0_DST_Y_OFFSET, 0,
+ /* used to shift the cursor chunk request deadline */
+ CURSOR0_CHUNK_HDL_ADJUST, 3);
++
++ REG_UPDATE(CURSOR0_FP_SCALE_BIAS, CUR0_FP_SCALE, hw_mult);
+ }
+
+ void hubp1_cursor_set_position(
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
+index f689fea..9991da5 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
+@@ -133,7 +133,8 @@
+ SRI(CURSOR_CONTROL, CURSOR, id), \
+ SRI(CURSOR_POSITION, CURSOR, id), \
+ SRI(CURSOR_HOT_SPOT, CURSOR, id), \
+- SRI(CURSOR_DST_OFFSET, CURSOR, id)
++ SRI(CURSOR_DST_OFFSET, CURSOR, id), \
++ SRI(CURSOR0_FP_SCALE_BIAS, CNVC_CUR, id)
+
+ #define HUBP_COMMON_REG_VARIABLE_LIST \
+ uint32_t DCHUBP_CNTL; \
+@@ -241,7 +242,8 @@
+ uint32_t CURSOR_POSITION; \
+ uint32_t CURSOR_HOT_SPOT; \
+ uint32_t CURSOR_DST_OFFSET; \
+- uint32_t HUBP_CLK_CNTL
++ uint32_t HUBP_CLK_CNTL; \
++ uint32_t CURSOR0_FP_SCALE_BIAS
+
+ #define HUBP_SF(reg_name, field_name, post_fix)\
+ .field_name = reg_name ## __ ## field_name ## post_fix
+@@ -424,7 +426,8 @@
+ HUBP_SF(CURSOR0_CURSOR_POSITION, CURSOR_Y_POSITION, mask_sh), \
+ HUBP_SF(CURSOR0_CURSOR_HOT_SPOT, CURSOR_HOT_SPOT_X, mask_sh), \
+ HUBP_SF(CURSOR0_CURSOR_HOT_SPOT, CURSOR_HOT_SPOT_Y, mask_sh), \
+- HUBP_SF(CURSOR0_CURSOR_DST_OFFSET, CURSOR_DST_X_OFFSET, mask_sh)
++ HUBP_SF(CURSOR0_CURSOR_DST_OFFSET, CURSOR_DST_X_OFFSET, mask_sh), \
++ HUBP_SF(CNVC_CUR0_CURSOR0_FP_SCALE_BIAS, CUR0_FP_SCALE, mask_sh)
+
+ #define DCN_HUBP_REG_FIELD_LIST(type) \
+ type HUBP_BLANK_EN;\
+@@ -615,7 +618,8 @@
+ type CURSOR_HOT_SPOT_X; \
+ type CURSOR_HOT_SPOT_Y; \
+ type CURSOR_DST_X_OFFSET; \
+- type OUTPUT_FP
++ type OUTPUT_FP; \
++ type CUR0_FP_SCALE
+
+ struct dcn_mi_registers {
+ HUBP_COMMON_REG_VARIABLE_LIST;
+--
+2.7.4
+