Hi Kalakodima, Thank you for the patch. PAtches 3/8, 4/8 and 5/8 modify the new drivers/gpu/drm/rcar-du/rcar_du_cmm.c a file that was introduced in 1/8. Please squash them all together, there's no point in adding a driver with known to be incorrect code to then fix it in other patches. On Wed, Apr 03, 2019 at 06:44:39PM +0530, VenkataRajesh.Kalakodima@xxxxxxxxxxxx wrote: > From: kalakodima venkata rajesh <venkatarajesh.kalakodima@xxxxxxxxxxxx> > > Replace the hardcoded value of clu table sample count with a > meaningful name. > > Signed-off-by: Harsha M M <harsha.manjulamallikarjun@xxxxxxxxxxxx> > > This is the out-of-tree patch for DU CMM driver support from > Yocto release v3.6.0. The part of this patch adding CMM support to > the new Rcar E3 (R8A77990) SoC was filtered out due to lack of > Yocto v3.6.0 (i.e. rcar-3.6.2) kernel updates on staging-414. > > Link: https://github.com/renesas-rcar/du_cmm/commit/53973b806881ed8f54500b0d42bdc40aaca60476.patch > > Following is from the patch description: > > Subject: [PATCH] du_cmm: Release for Yocto v3.6.0 > > This patch made the following correspondence. > > - R-Car E3(R8A77990) device support. > - Fix rewritting of parameter procedure in rcar_du_cmm_postclose > > Signed-off-by: Eugeniu Rosca <erosca@xxxxxxxxxxxxxx> > > - Resolved checkpatch errors > - Resolved merge conflicts according to latest version > > Signed-off-by: kalakodima venkata rajesh <venkatarajesh.kalakodima@xxxxxxxxxxxx> > --- > drivers/gpu/drm/rcar-du/rcar_du_cmm.c | 28 +++++++++++++++------------- > 1 file changed, 15 insertions(+), 13 deletions(-) > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_cmm.c b/drivers/gpu/drm/rcar-du/rcar_du_cmm.c > index ac613a6e..d380dd9 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_cmm.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_cmm.c > @@ -75,9 +75,9 @@ > #include <linux/clk.h> > > /* #define DEBUG_PROCE_TIME 1 */ > - > +#define CMM_CLU_SAMPLES 17 > #define CMM_LUT_NUM 256 > -#define CMM_CLU_NUM (17 * 17 * 17) > +#define CMM_CLU_NUM (CMM_CLU_SAMPLES * CMM_CLU_SAMPLES * CMM_CLU_SAMPLES) > #define CMM_HGO_NUM 64 > /* rcar_du_drm.h Include */ > #define LUT_DOUBLE_BUFFER_AUTO 0 > @@ -211,11 +211,11 @@ static inline u32 index_to_clu_data(int index) > { > int r, g, b; > > - r = index % 17; > - index /= 17; > - g = index % 17; > - index /= 17; > - b = index % 17; > + r = index % CMM_CLU_SAMPLES; > + index /= CMM_CLU_SAMPLES; > + g = index % CMM_CLU_SAMPLES; > + index /= CMM_CLU_SAMPLES; > + b = index % CMM_CLU_SAMPLES; > > r = (r << 20); > if (r > (255 << 16)) > @@ -630,9 +630,9 @@ static int clu_table_copy(struct rcar_du_cmm *du_cmm) > } > > rcar_du_cmm_write(du_cmm, dst_addr, 0); > - for (i = 0; i < 17; i++) { > - for (j = 0; j < 17; j++) { > - for (k = 0; k < 17; k++) { > + for (i = 0; i < CMM_CLU_SAMPLES; i++) { > + for (j = 0; j < CMM_CLU_SAMPLES; j++) { > + for (k = 0; k < CMM_CLU_SAMPLES; k++) { > rcar_du_cmm_write(du_cmm, src_addr, > (k << 16) | (j << 8) | > (i << 0)); > @@ -912,9 +912,9 @@ int rcar_du_cmm_pm_suspend(struct rcar_du_crtc *rcrtc) > } > > index = 0; > - for (i = 0; i < 17; i++) { > - for (j = 0; j < 17; j++) { > - for (k = 0; k < 17; k++) { > + for (i = 0; i < CMM_CLU_SAMPLES; i++) { > + for (j = 0; j < CMM_CLU_SAMPLES; j++) { > + for (k = 0; k < CMM_CLU_SAMPLES; k++) { > rcar_du_cmm_write(du_cmm, CMM_CLU_ADDR, > (k << 16) | (j << 8) | > (i << 0)); > @@ -1014,6 +1014,8 @@ void rcar_du_cmm_postclose(struct drm_device *dev, struct drm_file *file_priv) > for (crtcs_cnt = 0; crtcs_cnt < rcdu->num_crtcs; crtcs_cnt++) { > rcrtc = &rcdu->crtcs[crtcs_cnt]; > du_cmm = rcrtc->cmm_handle; > + if (!du_cmm) > + continue; > if (du_cmm->authority && du_cmm->pid == task_pid_nr(current)) { > du_cmm->authority = false; > du_cmm->pid = 0; -- Regards, Laurent Pinchart
