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authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2023-04-11 15:43:45 +0300
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2023-04-11 15:43:45 +0300
commitea68a3e9d14e9e0bf017d178fb4bd53b6deb1482 (patch)
tree4ca0e37218ecc0844d330cb37b956d5219bb1d32 /drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
parent16fc9c08f0ec7b1c95f1ea4a16097acdb3fc943d (diff)
parent55bf14961db9da61220e6f04bc9919c94b1a6585 (diff)
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Merge drm/drm-next into drm-intel-gt-next
Need to pull in commit from drm-next (earlier in drm-intel-next): 1eca0778f4b3 ("drm/i915: add struct i915_dsm to wrap dsm members together") In order to merge following patch to drm-intel-gt-next: https://patchwork.freedesktop.org/patch/530942/?series=114925&rev=6 Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c')
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 4a122925c3ae..92c18bfb98b3 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -532,6 +532,9 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
if (dmub->hw_funcs.reset)
dmub->hw_funcs.reset(dmub);
+ /* reset the cache of the last wptr as well now that hw is reset */
+ dmub->inbox1_last_wptr = 0;
+
cw0.offset.quad_part = inst_fb->gpu_addr;
cw0.region.base = DMUB_CW0_BASE;
cw0.region.top = cw0.region.base + inst_fb->size - 1;
@@ -649,6 +652,15 @@ enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub)
if (dmub->hw_funcs.reset)
dmub->hw_funcs.reset(dmub);
+ /* mailboxes have been reset in hw, so reset the sw state as well */
+ dmub->inbox1_last_wptr = 0;
+ dmub->inbox1_rb.wrpt = 0;
+ dmub->inbox1_rb.rptr = 0;
+ dmub->outbox0_rb.wrpt = 0;
+ dmub->outbox0_rb.rptr = 0;
+ dmub->outbox1_rb.wrpt = 0;
+ dmub->outbox1_rb.rptr = 0;
+
dmub->hw_init = false;
return DMUB_STATUS_OK;