diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0496-drm-amd-display-remove-disable_clk_gate-debug-flag-f.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0496-drm-amd-display-remove-disable_clk_gate-debug-flag-f.patch | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0496-drm-amd-display-remove-disable_clk_gate-debug-flag-f.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0496-drm-amd-display-remove-disable_clk_gate-debug-flag-f.patch new file mode 100644 index 00000000..f6bc26df --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0496-drm-amd-display-remove-disable_clk_gate-debug-flag-f.patch @@ -0,0 +1,84 @@ +From 5f64f2dd74bc188895fe044017e44e1c966a1ab9 Mon Sep 17 00:00:00 2001 +From: Hersen Wu <hersenxs.wu@amd.com> +Date: Thu, 1 Jun 2017 15:49:16 -0400 +Subject: [PATCH 0496/4131] drm/amd/display: remove disable_clk_gate debug flag + for DCN + +Signed-off-by: Hersen Wu <hersenxs.wu@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + .../drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 30 ---------------------- + .../gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 1 - + 2 files changed, 31 deletions(-) + +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 877e2b6..0e677f9d 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 +@@ -397,19 +397,6 @@ static void enable_power_gating_plane( + HWSEQ_REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN3_POWER_FORCEON, force_on); + HWSEQ_REG_UPDATE(DOMAIN5_PG_CONFIG, DOMAIN5_POWER_FORCEON, force_on); + HWSEQ_REG_UPDATE(DOMAIN7_PG_CONFIG, DOMAIN7_POWER_FORCEON, force_on); +- +- if (ctx->dc->debug.disable_clock_gate) { +- /* probably better to just write entire register to 0xffff to +- * ensure all clock gating is disabled +- */ +- HWSEQ_REG_UPDATE_3(DCCG_GATE_DISABLE_CNTL, +- DISPCLK_R_DCCG_GATE_DISABLE, 1, +- DPREFCLK_R_DCCG_GATE_DISABLE, 1, +- REFCLK_R_DIG_GATE_DISABLE, 1); +- HWSEQ_REG_UPDATE(DCFCLK_CNTL, +- DCFCLK_GATE_DIS, 1); +- } +- + } + + static void dpp_pg_control( +@@ -513,29 +500,12 @@ static void power_on_plane( + { + uint32_t inst_offset = 0; + +- /* disable clock power gating */ +- +- /* DCCG_GATE_DISABLE_CNTL only has one instance */ +- if (ctx->dc->debug.disable_clock_gate) { +- HWSEQ_REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL, +- DISPCLK_DCCG_GATE_DISABLE, 1, +- DPPCLK_GATE_DISABLE, 1); +- /* DCFCLK_CNTL only has one instance */ +- HWSEQ_REG_UPDATE(DCFCLK_CNTL, +- DCFCLK_GATE_DIS, 1); +- } +- + HWSEQ_REG_SET(DC_IP_REQUEST_CNTL, + IP_REQUEST_EN, 1); + dpp_pg_control(ctx, plane_id, true); + hubp_pg_control(ctx, plane_id, true); + HWSEQ_REG_SET(DC_IP_REQUEST_CNTL, + IP_REQUEST_EN, 0); +- +- if (ctx->dc->debug.disable_clock_gate) { +- HWSEQ_REG_UPDATE(DCCG_GATE_DISABLE_CNTL, +- DISPCLK_DCCG_GATE_DISABLE, 0); +- } + } + + /* fully check bios enabledisplaypowergating table. dal only need dce init +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +index 660cb43..e527d10 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +@@ -438,7 +438,6 @@ static const struct dc_debug debug_defaults_drv = { + }; + + static const struct dc_debug debug_defaults_diags = { +- .disable_clock_gate = true, + .disable_dmcu = true, + .force_abm_enable = false, + .timing_trace = true, +-- +2.7.4 + |