Displaying 2 results from an estimated 2 matches for "baddron".
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baudron
2024 Nov 11
1
[PATCH 2/2] nouveau/dp: handle retries for AUX CH transfers with GSP.
...RR(ctrl);
+ for (retries = 0; retries < 3; ++retries) {
+ ctrl = nvkm_gsp_rm_ctrl_get(&disp->rm.objcom, NV0073_CTRL_CMD_DP_AUXCH_CTRL, sizeof(*ctrl));
+ if (IS_ERR(ctrl))
+ return PTR_ERR(ctrl);
- ctrl->subDeviceInstance = 0;
- ctrl->displayId = BIT(outp->index);
- ctrl->bAddrOnly = !size;
- ctrl->cmd = type;
- if (ctrl->bAddrOnly) {
- ctrl->cmd = NVDEF_SET(ctrl->cmd, NV0073_CTRL, DP_AUXCH_CMD, REQ_TYPE, WRITE);
- ctrl->cmd = NVDEF_SET(ctrl->cmd, NV0073_CTRL, DP_AUXCH_CMD, I2C_MOT, FALSE);
- }
- ctrl->addr = addr;
- ctrl->size = !ctrl->bAddrOn...
2024 Nov 11
3
[PATCH 1/2] nouveau: handle EBUSY and EAGAIN for GSP aux errors.
From: Dave Airlie <airlied at redhat.com>
The upper layer transfer functions expect EBUSY as a return
for when retries should be done.
Fix the AUX error translation, but also check for both errors
in a few places.
Fixes: eb284f4b3781 ("drm/nouveau/dp: Honor GSP link training retry timeouts")
Signed-off-by: Dave Airlie <airlied at redhat.com>
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