From: Nicholas Kazlauskas Date: Tue, 19 Jan 2021 19:46:21 +0000 (-0500) Subject: drm/amd/display: Fix CW4 programming for dmub30 cached inbox X-Git-Tag: baikal/aarch64/sdk6.1~7223^2~5^2~13 X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=562bbcef69892bc170efca3351c84694627b3db4;p=kernel.git drm/amd/display: Fix CW4 programming for dmub30 cached inbox [Why] The conditions for whether we used cached vs non-cached inbox1 depend on a version check that mismatches what the shared helpers in dmub20 implement. [How] Use the dmub_dcn20_use_cached_inbox check for dmub_dcn30 as well. Signed-off-by: Nicholas Kazlauskas Acked-by: Anson Jacob Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c index 26716c41786a2..8e8e65fa83c02 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c @@ -81,7 +81,7 @@ static inline void dmub_dcn20_translate_addr(const union dmub_addr *addr_in, addr_out->quad_part = addr_in->quad_part - fb_base + fb_offset; } -static inline bool dmub_dcn20_use_cached_inbox(struct dmub_srv *dmub) +bool dmub_dcn20_use_cached_inbox(struct dmub_srv *dmub) { /* Cached inbox is not supported in this fw version range */ return !(dmub->fw_version >= DMUB_FW_VERSION(1, 0, 0) && diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h index d438f365cbb08..a62be9c0652e3 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.h @@ -198,4 +198,6 @@ void dmub_dcn20_skip_dmub_panel_power_sequence(struct dmub_srv *dmub, bool skip) union dmub_fw_boot_status dmub_dcn20_get_fw_boot_status(struct dmub_srv *dmub); +bool dmub_dcn20_use_cached_inbox(struct dmub_srv *dmub); + #endif /* _DMUB_DCN20_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c index 7e6f4dbabe45b..b4bc0df2f14a3 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn30.c @@ -155,7 +155,7 @@ void dmub_dcn30_setup_windows(struct dmub_srv *dmub, offset = cw4->offset; /* New firmware can support CW4. */ - if (dmub->fw_version > DMUB_FW_VERSION(1, 0, 10)) { + if (dmub_dcn20_use_cached_inbox(dmub)) { REG_WRITE(DMCUB_REGION3_CW4_OFFSET, offset.u.low_part); REG_WRITE(DMCUB_REGION3_CW4_OFFSET_HIGH, offset.u.high_part); REG_WRITE(DMCUB_REGION3_CW4_BASE_ADDRESS, cw4->region.base);