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| author | Jani Nikula <jani.nikula@intel.com> | 2025-08-28 15:20:46 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2025-09-04 14:02:58 +0300 |
| commit | 17d56494c1b8f3e61e4ee9a8aedf1e3733a83eaa (patch) | |
| tree | 041380b373659aa4810d76c5e02f720a0bd7f294 /drivers/gpu | |
| parent | drm/i915/hdcp: use generic poll_timeout_us() instead of wait_for() (diff) | |
| download | linux-17d56494c1b8f3e61e4ee9a8aedf1e3733a83eaa.tar.gz linux-17d56494c1b8f3e61e4ee9a8aedf1e3733a83eaa.zip | |
drm/i915/dsi: use generic poll_timeout_us() instead of wait_for_us()
Prefer generic poll helpers over i915 custom helpers.
The sleep and timeout remain the same as for wait_for_us().
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://lore.kernel.org/r/02ebcd2864819b7eaf9cf455aa2b968980a2f671.1756383233.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/display/icl_dsi.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 44310984bb57..37faa8f19f6e 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -25,6 +25,8 @@ * Jani Nikula <jani.nikula@intel.com> */ +#include <linux/iopoll.h> + #include <drm/display/drm_dsc_helper.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_fixed.h> @@ -72,8 +74,12 @@ static int payload_credits_available(struct intel_display *display, static bool wait_for_header_credits(struct intel_display *display, enum transcoder dsi_trans, int hdr_credit) { - if (wait_for_us(header_credits_available(display, dsi_trans) >= - hdr_credit, 100)) { + int ret, available; + + ret = poll_timeout_us(available = header_credits_available(display, dsi_trans), + available >= hdr_credit, + 10, 100, false); + if (ret) { drm_err(display->drm, "DSI header credits not released\n"); return false; } @@ -84,8 +90,12 @@ static bool wait_for_header_credits(struct intel_display *display, static bool wait_for_payload_credits(struct intel_display *display, enum transcoder dsi_trans, int payld_credit) { - if (wait_for_us(payload_credits_available(display, dsi_trans) >= - payld_credit, 100)) { + int ret, available; + + ret = poll_timeout_us(available = payload_credits_available(display, dsi_trans), + available >= payld_credit, + 10, 100, false); + if (ret) { drm_err(display->drm, "DSI payload credits not released\n"); return false; } |