drm/msm/disp/dpu1/dpu_core_perf: Fix kernel-doc formatting issues

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c:31: warning: Enum value 'DPU_PERF_MODE_MAX' not described in enum 'dpu_perf_mode'
 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c:34: warning: Cannot understand  * @_dpu_core_perf_calc_bw() - to calculate BW per crtc
 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c:73: warning: Function parameter or member 'kms' not described in '_dpu_core_perf_calc_clk'
 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c:73: warning: Function parameter or member 'crtc' not described in '_dpu_core_perf_calc_clk'
 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c:73: warning: Function parameter or member 'state' not described in '_dpu_core_perf_calc_clk'
 drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c:249: warning: Cannot understand  * @dpu_core_perf_crtc_release_bw() - request zero bandwidth

Cc: Rob Clark <robdclark@gmail.com>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Kalyan Thota <kalyan_t@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: freedreno@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c

@@ -22,6 +22,7 @@
  * @DPU_PERF_MODE_NORMAL: performance controlled by user mode client
  * @DPU_PERF_MODE_MINIMUM: performance bounded by minimum setting
  * @DPU_PERF_MODE_FIXED: performance bounded by fixed setting
+ * @DPU_PERF_MODE_MAX: maximum value, used for error checking
  */
 enum dpu_perf_mode {
 	DPU_PERF_MODE_NORMAL,
@@ -31,9 +32,9 @@ enum dpu_perf_mode {
 };
 
 /**
- * @_dpu_core_perf_calc_bw() - to calculate BW per crtc
- * @kms -  pointer to the dpu_kms
- * @crtc - pointer to a crtc
+ * _dpu_core_perf_calc_bw() - to calculate BW per crtc
+ * @kms:  pointer to the dpu_kms
+ * @crtc: pointer to a crtc
  * Return: returns aggregated BW for all planes in crtc.
  */
 static u64 _dpu_core_perf_calc_bw(struct dpu_kms *kms,
@@ -63,9 +64,9 @@ static u64 _dpu_core_perf_calc_bw(struct dpu_kms *kms,
 
 /**
  * _dpu_core_perf_calc_clk() - to calculate clock per crtc
- * @kms -  pointer to the dpu_kms
- * @crtc - pointer to a crtc
- * @state - pointer to a crtc state
+ * @kms:  pointer to the dpu_kms
+ * @crtc: pointer to a crtc
+ * @state: pointer to a crtc state
  * Return: returns max clk for all planes in crtc.
  */
 static u64 _dpu_core_perf_calc_clk(struct dpu_kms *kms,
@@ -246,8 +247,8 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
 }
 
 /**
- * @dpu_core_perf_crtc_release_bw() - request zero bandwidth
- * @crtc - pointer to a crtc
+ * dpu_core_perf_crtc_release_bw() - request zero bandwidth
+ * @crtc: pointer to a crtc
  *
  * Function checks a state variable for the crtc, if all pending commit
  * requests are done, meaning no more bandwidth is needed, release