From: Vladimir Stempen Date: Thu, 29 Sep 2022 17:32:50 +0000 (-0400) Subject: drm/amd/display: increase hardware status wait time X-Git-Tag: v6.6.17~6361^2^2~33 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fa28030a83a6302f8724cdbf0c477536b2101033;p=platform%2Fkernel%2Flinux-rpi.git drm/amd/display: increase hardware status wait time [Why] Diagnostics reports exceptions generated when timeout waiting for DISPCLK frequency divider change expires when testing ODM4to1. Diagnostics reports exceptions generated when timeout waiting for OTG busy status expires when disabling OTG during ODM4to1 test. [How] Increase HW status waiting time for DISPCLK frequency divider change and OTG busy status when disable OTG. Tested-by: Daniel Wheeler Reviewed-by: Ariel Bernstein Acked-by: Qingqing Zhuo Signed-off-by: Vladimir Stempen Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c index 0d30d1d9d67e..650f3b4b562e 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c @@ -179,7 +179,7 @@ void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr, struct } else if (dispclk_wdivider == 127 && current_dispclk_wdivider != 127) { REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, 126); - REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 50, 100); + REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 50, 2000); for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; struct dccg *dccg = clk_mgr->base.ctx->dc->res_pool->dccg; @@ -206,7 +206,7 @@ void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr, struct REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, dispclk_wdivider); - REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 50, 1000); + REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 50, 2000); REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, dppclk_wdivider); REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_CHG_DONE, 1, 5, 100); diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_optc.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_optc.c index ec3989d37086..2b33eeb213e2 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_optc.c @@ -151,7 +151,7 @@ static bool optc32_disable_crtc(struct timing_generator *optc) /* CRTC disabled, so disable clock. */ REG_WAIT(OTG_CLOCK_CONTROL, OTG_BUSY, 0, - 1, 100000); + 1, 150000); return true; }