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Sat, 21 Sep 2024 05:54:55 -0400 (EDT) From: Ryan Walklin To: Maxime Ripard , Chen-Yu Tsai , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Jernej Skrabec , Samuel Holland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd Cc: Andre Przywara , Chris Morgan , John Watts , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, Ryan Walklin Subject: [PATCH v4 25/26] drm: sun4i: de33: fmt: add Display Engine 3.3 (DE33) support Date: Sat, 21 Sep 2024 21:46:14 +1200 Message-ID: <20240921095153.213568-26-ryan@testtoast.com> X-Mailer: git-send-email 2.46.1 In-Reply-To: <20240921095153.213568-1-ryan@testtoast.com> References: <20240921095153.213568-1-ryan@testtoast.com> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Jernej Skrabec Like the DE3, the DE33 has a FMT (formatter) module, which provides YUV444 to YUV422/YUV420 conversion, format re-mapping and color depth conversion, although the DE33 module appears significantly more capable, including up to 4K video support. Add support for the DE33. Signed-off-by: Jernej Skrabec Signed-off-by: Ryan Walklin --- drivers/gpu/drm/sun4i/sun50i_fmt.c | 21 +++++++++++++++++++-- drivers/gpu/drm/sun4i/sun50i_fmt.h | 1 + 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun50i_fmt.c b/drivers/gpu/drm/sun4i/sun50i_fmt.c index 050a8716ae862..39682d4e6d208 100644 --- a/drivers/gpu/drm/sun4i/sun50i_fmt.c +++ b/drivers/gpu/drm/sun4i/sun50i_fmt.c @@ -51,6 +51,19 @@ static void sun50i_fmt_de3_limits(u32 *limits, u32 colorspace, bool bit10) } } +static void sun50i_fmt_de33_limits(u32 *limits, u32 colorspace) +{ + if (colorspace == SUN50I_FMT_CS_YUV444RGB) { + limits[0] = SUN50I_FMT_LIMIT(0, 4095); + limits[1] = SUN50I_FMT_LIMIT(0, 4095); + limits[2] = SUN50I_FMT_LIMIT(0, 4095); + } else { + limits[0] = SUN50I_FMT_LIMIT(256, 3840); + limits[1] = SUN50I_FMT_LIMIT(256, 3840); + limits[2] = SUN50I_FMT_LIMIT(256, 3840); + } +} + void sun50i_fmt_setup(struct sun8i_mixer *mixer, u16 width, u16 height, u32 format) { @@ -60,10 +73,14 @@ void sun50i_fmt_setup(struct sun8i_mixer *mixer, u16 width, colorspace = sun50i_fmt_get_colorspace(format); bit10 = sun50i_fmt_is_10bit(format); - base = SUN50I_FMT_DE3; + base = mixer->cfg->de_type == sun8i_mixer_de3 ? + SUN50I_FMT_DE3 : SUN50I_FMT_DE33; regs = sun8i_blender_regmap(mixer); - sun50i_fmt_de3_limits(limit, colorspace, bit10); + if (mixer->cfg->de_type == sun8i_mixer_de3) + sun50i_fmt_de3_limits(limit, colorspace, bit10); + else + sun50i_fmt_de33_limits(limit, colorspace); regmap_write(regs, SUN50I_FMT_CTRL(base), 0); diff --git a/drivers/gpu/drm/sun4i/sun50i_fmt.h b/drivers/gpu/drm/sun4i/sun50i_fmt.h index 4127f7206aade..3e60d5c788b39 100644 --- a/drivers/gpu/drm/sun4i/sun50i_fmt.h +++ b/drivers/gpu/drm/sun4i/sun50i_fmt.h @@ -9,6 +9,7 @@ #include "sun8i_mixer.h" #define SUN50I_FMT_DE3 0xa8000 +#define SUN50I_FMT_DE33 0x5000 #define SUN50I_FMT_CTRL(base) ((base) + 0x00) #define SUN50I_FMT_SIZE(base) ((base) + 0x04)