diff options
Diffstat (limited to 'drivers/gpu/drm/imx/dcss/dcss-scaler.c')
| -rw-r--r-- | drivers/gpu/drm/imx/dcss/dcss-scaler.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/drivers/gpu/drm/imx/dcss/dcss-scaler.c b/drivers/gpu/drm/imx/dcss/dcss-scaler.c index 47852b9dd5ea..32c3f46b21da 100644 --- a/drivers/gpu/drm/imx/dcss/dcss-scaler.c +++ b/drivers/gpu/drm/imx/dcss/dcss-scaler.c @@ -136,7 +136,7 @@ static int div_q(int A, int B) else temp -= B / 2; - result = (int)(temp / B); + result = div_s64(temp, B); return result; } @@ -239,7 +239,7 @@ static void dcss_scaler_gaussian_filter(int fc_q, bool use_5_taps, ll_temp = coef[phase][i]; ll_temp <<= PSC_COEFF_PRECISION; ll_temp += sum >> 1; - ll_temp /= sum; + ll_temp = div_s64(ll_temp, sum); coef[phase][i] = (int)ll_temp; } } @@ -302,7 +302,7 @@ static int dcss_scaler_ch_init_all(struct dcss_scaler *scl, ch->base_ofs = scaler_base + i * 0x400; - ch->base_reg = ioremap(ch->base_ofs, SZ_4K); + ch->base_reg = devm_ioremap(scl->dev, ch->base_ofs, SZ_4K); if (!ch->base_reg) { dev_err(scl->dev, "scaler: unable to remap ch base\n"); return -ENOMEM; @@ -318,7 +318,7 @@ int dcss_scaler_init(struct dcss_dev *dcss, unsigned long scaler_base) { struct dcss_scaler *scaler; - scaler = kzalloc(sizeof(*scaler), GFP_KERNEL); + scaler = devm_kzalloc(dcss->dev, sizeof(*scaler), GFP_KERNEL); if (!scaler) return -ENOMEM; @@ -327,18 +327,8 @@ int dcss_scaler_init(struct dcss_dev *dcss, unsigned long scaler_base) scaler->ctxld = dcss->ctxld; scaler->ctx_id = CTX_SB_HP; - if (dcss_scaler_ch_init_all(scaler, scaler_base)) { - int i; - - for (i = 0; i < 3; i++) { - if (scaler->ch[i].base_reg) - iounmap(scaler->ch[i].base_reg); - } - - kfree(scaler); - + if (dcss_scaler_ch_init_all(scaler, scaler_base)) return -ENOMEM; - } return 0; } @@ -351,12 +341,7 @@ void dcss_scaler_exit(struct dcss_scaler *scl) struct dcss_scaler_ch *ch = &scl->ch[ch_no]; dcss_writel(0, ch->base_reg + DCSS_SCALER_CTRL); - - if (ch->base_reg) - iounmap(ch->base_reg); } - - kfree(scl); } void dcss_scaler_ch_enable(struct dcss_scaler *scl, int ch_num, bool en) |