6.12-stable review patch. If anyone has any objections, please let me know.
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From: Charlene Liu Charlene.Liu@amd.com
[ Upstream commit 35bcc9168f3ce6416cbf3f776758be0937f84cb3 ]
[why] Log for sequence tracking
Reviewed-by: Ovidiu (Ovi) Bunea ovidiu.bunea@amd.com Reviewed-by: Yihan Zhu yihan.zhu@amd.com Signed-off-by: Charlene Liu Charlene.Liu@amd.com Signed-off-by: Ivan Lipski ivan.lipski@amd.com Tested-by: Dan Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Stable-dep-of: cfa0904a35fd ("drm/amd/display: Prevent Gating DTBCLK before It Is Properly Latched") Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c | 24 ++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c @@ -39,6 +39,7 @@
#define CTX \ dccg_dcn->base.ctx +#include "logger_types.h" #define DC_LOGGER \ dccg->ctx->logger
@@ -1132,7 +1133,7 @@ static void dcn35_set_dppclk_enable(stru default: break; } - //DC_LOG_DEBUG("%s: dpp_inst(%d) DPPCLK_EN = %d\n", __func__, dpp_inst, enable); + DC_LOG_DEBUG("%s: dpp_inst(%d) DPPCLK_EN = %d\n", __func__, dpp_inst, enable);
}
@@ -1400,6 +1401,10 @@ static void dccg35_set_dtbclk_dto( * PIPEx_DTO_SRC_SEL should not be programmed during DTBCLK update since OTG may still be on, and the * programming is handled in program_pix_clk() regardless, so it can be removed from here. */ + DC_LOG_DEBUG("%s: OTG%d DTBCLK DTO enabled: pixclk_khz=%d, ref_dtbclk_khz=%d, req_dtbclk_khz=%d, phase=%d, modulo=%d\n", + __func__, params->otg_inst, params->pixclk_khz, + params->ref_dtbclk_khz, req_dtbclk_khz, phase, modulo); + } else { switch (params->otg_inst) { case 0: @@ -1425,6 +1430,8 @@ static void dccg35_set_dtbclk_dto(
REG_WRITE(DTBCLK_DTO_MODULO[params->otg_inst], 0); REG_WRITE(DTBCLK_DTO_PHASE[params->otg_inst], 0); + + DC_LOG_DEBUG("%s: OTG%d DTBCLK DTO disabled\n", __func__, params->otg_inst); } }
@@ -1469,6 +1476,8 @@ static void dccg35_set_dpstreamclk( BREAK_TO_DEBUGGER(); return; } + DC_LOG_DEBUG("%s: dp_hpo_inst(%d) DPSTREAMCLK_EN = %d, DPSTREAMCLK_SRC_SEL = %d\n", + __func__, dp_hpo_inst, (src == REFCLK) ? 0 : 1, otg_inst); }
@@ -1508,6 +1517,8 @@ static void dccg35_set_dpstreamclk_root_ BREAK_TO_DEBUGGER(); return; } + DC_LOG_DEBUG("%s: dp_hpo_inst(%d) DPSTREAMCLK_ROOT_GATE_DISABLE = %d\n", + __func__, dp_hpo_inst, enable ? 1 : 0); }
@@ -1547,7 +1558,7 @@ static void dccg35_set_physymclk_root_cl BREAK_TO_DEBUGGER(); return; } - //DC_LOG_DEBUG("%s: dpp_inst(%d) PHYESYMCLK_ROOT_GATE_DISABLE:\n", __func__, phy_inst, enable ? 0 : 1); + DC_LOG_DEBUG("%s: dpp_inst(%d) PHYESYMCLK_ROOT_GATE_DISABLE: %d\n", __func__, phy_inst, enable ? 0 : 1);
}
@@ -1620,6 +1631,8 @@ static void dccg35_set_physymclk( BREAK_TO_DEBUGGER(); return; } + DC_LOG_DEBUG("%s: phy_inst(%d) PHYxSYMCLK_EN = %d, PHYxSYMCLK_SRC_SEL = %d\n", + __func__, phy_inst, force_enable ? 1 : 0, clk_src); }
static void dccg35_set_valid_pixel_rate( @@ -1667,6 +1680,7 @@ static void dccg35_dpp_root_clock_contro }
dccg->dpp_clock_gated[dpp_inst] = !clock_on; + DC_LOG_DEBUG("%s: dpp_inst(%d) clock_on = %d\n", __func__, dpp_inst, clock_on); }
static void dccg35_disable_symclk32_se( @@ -1725,6 +1739,7 @@ static void dccg35_disable_symclk32_se( BREAK_TO_DEBUGGER(); return; } + }
static void dccg35_init_cb(struct dccg *dccg) @@ -1732,7 +1747,6 @@ static void dccg35_init_cb(struct dccg * (void)dccg; /* Any RCG should be done when driver enter low power mode*/ } - void dccg35_init(struct dccg *dccg) { int otg_inst; @@ -1747,6 +1761,8 @@ void dccg35_init(struct dccg *dccg) for (otg_inst = 0; otg_inst < 2; otg_inst++) { dccg31_disable_symclk32_le(dccg, otg_inst); dccg31_set_symclk32_le_root_clock_gating(dccg, otg_inst, false); + DC_LOG_DEBUG("%s: OTG%d SYMCLK32_LE disabled and root clock gating disabled\n", + __func__, otg_inst); }
// if (dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_se) @@ -1759,6 +1775,8 @@ void dccg35_init(struct dccg *dccg) dccg35_set_dpstreamclk(dccg, REFCLK, otg_inst, otg_inst); dccg35_set_dpstreamclk_root_clock_gating(dccg, otg_inst, false); + DC_LOG_DEBUG("%s: OTG%d DPSTREAMCLK disabled and root clock gating disabled\n", + __func__, otg_inst); }
/*