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Thu, 14 Mar 2019 20:44:42 +0800 From: To: , , , Subject: [RESEND PATCH v1 10/18] drm/mediatek: add gmc_bits for ovl private data Date: Thu, 14 Mar 2019 20:05:12 +0800 Message-ID: <1552565120-24329-11-git-send-email-yongqiang.niu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1552565120-24329-1-git-send-email-yongqiang.niu@mediatek.com> References: <1552565120-24329-1-git-send-email-yongqiang.niu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 42960860CDB3CEB94ACE5B5EC29BCD7CA03FF5622E6026ABA74D27B9FDE47E5B2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190314_054450_124443_3FFCDF60 X-CRM114-Status: GOOD ( 11.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, Yongqiang Niu , airlied@linux.ie, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, Bibby.Hsieh@mediatek.com, yt.shen@mediatek.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Yongqiang Niu This patch add gmc_bits for ovl private data Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 28d1911..afb313c 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -39,7 +39,9 @@ #define DISP_REG_OVL_ADDR_MT8173 0x0f40 #define DISP_REG_OVL_ADDR(ovl, n) ((ovl)->data->addr + 0x20 * (n)) -#define OVL_RDMA_MEM_GMC 0x40402020 +#define GMC_THRESHOLD_BITS 16 +#define GMC_THRESHOLD_HIGH ((1 << GMC_THRESHOLD_BITS) / 4) +#define GMC_THRESHOLD_LOW ((1 << GMC_THRESHOLD_BITS) / 8) #define OVL_CON_BYTE_SWAP BIT(24) #define OVL_CON_MTX_YUV_TO_RGB (6 << 16) @@ -57,6 +59,7 @@ struct mtk_disp_ovl_data { unsigned int addr; + unsigned int gmc_bits; bool fmt_rgb565_is_0; }; @@ -140,9 +143,23 @@ static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp) static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx) { unsigned int reg; + unsigned int gmc_thrshd_l; + unsigned int gmc_thrshd_h; + unsigned int gmc_value; + struct mtk_disp_ovl *ovl = comp_to_ovl(comp); writel(0x1, comp->regs + DISP_REG_OVL_RDMA_CTRL(idx)); - writel(OVL_RDMA_MEM_GMC, comp->regs + DISP_REG_OVL_RDMA_GMC(idx)); + + gmc_thrshd_l = GMC_THRESHOLD_LOW >> + (GMC_THRESHOLD_BITS - ovl->data->gmc_bits); + gmc_thrshd_h = GMC_THRESHOLD_HIGH >> + (GMC_THRESHOLD_BITS - ovl->data->gmc_bits); + if (ovl->data->gmc_bits == 10) + gmc_value = gmc_thrshd_h | gmc_thrshd_h << 16; + else + gmc_value = gmc_thrshd_l | gmc_thrshd_l << 8 | + gmc_thrshd_h << 16 | gmc_thrshd_h << 24; + writel(gmc_value, comp->regs + DISP_REG_OVL_RDMA_GMC(idx)); reg = readl(comp->regs + DISP_REG_OVL_SRC_CON); reg = reg | BIT(idx); @@ -324,11 +341,13 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev) static const struct mtk_disp_ovl_data mt2701_ovl_driver_data = { .addr = DISP_REG_OVL_ADDR_MT2701, + .gmc_bits = 8, .fmt_rgb565_is_0 = false, }; static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = { .addr = DISP_REG_OVL_ADDR_MT8173, + .gmc_bits = 8, .fmt_rgb565_is_0 = true, };