diff options
| author | Stephen Boyd <swboyd@chromium.org> | 2021-05-07 14:25:03 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-06-23 07:32:14 -0700 |
| commit | 24c7861b811b05172733f4bdcce5737df9ba476b (patch) | |
| tree | c1c7f6aba5b0924c99b7bfd04258a5f057753518 /drivers/gpu/drm/msm/dp/dp_aux.c | |
| parent | 53e231705e1ceb9cc3be87dc36a50d057e0c8bad (diff) | |
drm/msm/dp: Simplify aux irq handling code
We don't need to stash away 'isr' in the aux structure to pass to two
functions. Let's use a local variable instead. And we can complete the
completion variable in one place instead of two to simplify the code.
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Abhinav Kumar <abhinavk@codeaurora.org>
Cc: Kuogee Hsieh <khsieh@codeaurora.org>
Cc: aravindh@codeaurora.org
Cc: Sean Paul <sean@poorly.run>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Kuogee Hsieh <khsieh@codeaurora.org>
Link: https://lore.kernel.org/r/20210507212505.1224111-2-swboyd@chromium.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_aux.c')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_aux.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/dp/dp_aux.c index 7c22bfe0fc7d..91188466cece 100644 --- a/drivers/gpu/drm/msm/dp/dp_aux.c +++ b/drivers/gpu/drm/msm/dp/dp_aux.c @@ -27,7 +27,6 @@ struct dp_aux_private { bool no_send_stop; u32 offset; u32 segment; - u32 isr; struct drm_dp_aux dp_aux; }; @@ -181,10 +180,8 @@ static void dp_aux_cmd_fifo_rx(struct dp_aux_private *aux, } } -static void dp_aux_native_handler(struct dp_aux_private *aux) +static void dp_aux_native_handler(struct dp_aux_private *aux, u32 isr) { - u32 isr = aux->isr; - if (isr & DP_INTR_AUX_I2C_DONE) aux->aux_error_num = DP_AUX_ERR_NONE; else if (isr & DP_INTR_WRONG_ADDR) @@ -197,14 +194,10 @@ static void dp_aux_native_handler(struct dp_aux_private *aux) aux->aux_error_num = DP_AUX_ERR_PHY; dp_catalog_aux_clear_hw_interrupts(aux->catalog); } - - complete(&aux->comp); } -static void dp_aux_i2c_handler(struct dp_aux_private *aux) +static void dp_aux_i2c_handler(struct dp_aux_private *aux, u32 isr) { - u32 isr = aux->isr; - if (isr & DP_INTR_AUX_I2C_DONE) { if (isr & (DP_INTR_I2C_NACK | DP_INTR_I2C_DEFER)) aux->aux_error_num = DP_AUX_ERR_NACK; @@ -226,8 +219,6 @@ static void dp_aux_i2c_handler(struct dp_aux_private *aux) dp_catalog_aux_clear_hw_interrupts(aux->catalog); } } - - complete(&aux->comp); } static void dp_aux_update_offset_and_segment(struct dp_aux_private *aux, @@ -412,6 +403,7 @@ unlock_exit: void dp_aux_isr(struct drm_dp_aux *dp_aux) { + u32 isr; struct dp_aux_private *aux; if (!dp_aux) { @@ -421,15 +413,17 @@ void dp_aux_isr(struct drm_dp_aux *dp_aux) aux = container_of(dp_aux, struct dp_aux_private, dp_aux); - aux->isr = dp_catalog_aux_get_irq(aux->catalog); + isr = dp_catalog_aux_get_irq(aux->catalog); if (!aux->cmd_busy) return; if (aux->native) - dp_aux_native_handler(aux); + dp_aux_native_handler(aux, isr); else - dp_aux_i2c_handler(aux); + dp_aux_i2c_handler(aux, isr); + + complete(&aux->comp); } void dp_aux_reconfig(struct drm_dp_aux *dp_aux) |