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Sat, 21 Sep 2024 05:52:30 -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 02/26] drm: sun4i: de2/de3: Merge CSC functions into one Date: Sat, 21 Sep 2024 21:45:51 +1200 Message-ID: <20240921095153.213568-3-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 At the moment the colour space conversion is handled by two functions: one to setup the conversion parameters, and another one to enable the conversion. Merging both into one gives more flexibility for upcoming extensions to support whole YUV pipelines, in the DE33. Signed-off-by: Jernej Skrabec Signed-off-by: Ryan Walklin Reviewed-by: Andre Przywara --- drivers/gpu/drm/sun4i/sun8i_csc.c | 89 ++++++++++---------------- drivers/gpu/drm/sun4i/sun8i_csc.h | 9 ++- drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 11 +--- 3 files changed, 40 insertions(+), 69 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.c b/drivers/gpu/drm/sun4i/sun8i_csc.c index 6ebd1c3aa3ab5..0dcbc0866ae82 100644 --- a/drivers/gpu/drm/sun4i/sun8i_csc.c +++ b/drivers/gpu/drm/sun4i/sun8i_csc.c @@ -107,23 +107,28 @@ static const u32 yuv2rgb_de3[2][3][12] = { }, }; -static void sun8i_csc_set_coefficients(struct regmap *map, u32 base, - enum format_type fmt_type, - enum drm_color_encoding encoding, - enum drm_color_range range) +static void sun8i_csc_setup(struct regmap *map, u32 base, + enum format_type fmt_type, + enum drm_color_encoding encoding, + enum drm_color_range range) { + u32 base_reg, val; const u32 *table; - u32 base_reg; int i; table = yuv2rgb[range][encoding]; switch (fmt_type) { + case FORMAT_TYPE_RGB: + val = 0; + break; case FORMAT_TYPE_YUV: + val = SUN8I_CSC_CTRL_EN; base_reg = SUN8I_CSC_COEFF(base, 0); regmap_bulk_write(map, base_reg, table, 12); break; case FORMAT_TYPE_YVU: + val = SUN8I_CSC_CTRL_EN; for (i = 0; i < 12; i++) { if ((i & 3) == 1) base_reg = SUN8I_CSC_COEFF(base, i + 1); @@ -135,28 +140,37 @@ static void sun8i_csc_set_coefficients(struct regmap *map, u32 base, } break; default: + val = 0; DRM_WARN("Wrong CSC mode specified.\n"); return; } + + regmap_write(map, SUN8I_CSC_CTRL(base), val); } -static void sun8i_de3_ccsc_set_coefficients(struct regmap *map, int layer, - enum format_type fmt_type, - enum drm_color_encoding encoding, - enum drm_color_range range) +static void sun8i_de3_ccsc_setup(struct regmap *map, int layer, + enum format_type fmt_type, + enum drm_color_encoding encoding, + enum drm_color_range range) { + u32 addr, val, mask; const u32 *table; - u32 addr; int i; + mask = SUN50I_MIXER_BLEND_CSC_CTL_EN(layer); table = yuv2rgb_de3[range][encoding]; switch (fmt_type) { + case FORMAT_TYPE_RGB: + val = 0; + break; case FORMAT_TYPE_YUV: + val = mask; addr = SUN50I_MIXER_BLEND_CSC_COEFF(DE3_BLD_BASE, layer, 0); regmap_bulk_write(map, addr, table, 12); break; case FORMAT_TYPE_YVU: + val = mask; for (i = 0; i < 12; i++) { if ((i & 3) == 1) addr = SUN50I_MIXER_BLEND_CSC_COEFF(DE3_BLD_BASE, @@ -173,67 +187,30 @@ static void sun8i_de3_ccsc_set_coefficients(struct regmap *map, int layer, } break; default: + val = 0; DRM_WARN("Wrong CSC mode specified.\n"); return; } -} - -static void sun8i_csc_enable(struct regmap *map, u32 base, bool enable) -{ - u32 val; - - if (enable) - val = SUN8I_CSC_CTRL_EN; - else - val = 0; - - regmap_update_bits(map, SUN8I_CSC_CTRL(base), SUN8I_CSC_CTRL_EN, val); -} - -static void sun8i_de3_ccsc_enable(struct regmap *map, int layer, bool enable) -{ - u32 val, mask; - - mask = SUN50I_MIXER_BLEND_CSC_CTL_EN(layer); - - if (enable) - val = mask; - else - val = 0; regmap_update_bits(map, SUN50I_MIXER_BLEND_CSC_CTL(DE3_BLD_BASE), mask, val); } -void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer, - enum format_type fmt_type, - enum drm_color_encoding encoding, - enum drm_color_range range) -{ - u32 base; - - if (mixer->cfg->is_de3) { - sun8i_de3_ccsc_set_coefficients(mixer->engine.regs, layer, - fmt_type, encoding, range); - return; - } - - base = ccsc_base[mixer->cfg->ccsc][layer]; - - sun8i_csc_set_coefficients(mixer->engine.regs, base, - fmt_type, encoding, range); -} - -void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable) +void sun8i_csc_set_ccsc(struct sun8i_mixer *mixer, int layer, + enum format_type fmt_type, + enum drm_color_encoding encoding, + enum drm_color_range range) { u32 base; if (mixer->cfg->is_de3) { - sun8i_de3_ccsc_enable(mixer->engine.regs, layer, enable); + sun8i_de3_ccsc_setup(mixer->engine.regs, layer, + fmt_type, encoding, range); return; } base = ccsc_base[mixer->cfg->ccsc][layer]; - sun8i_csc_enable(mixer->engine.regs, base, enable); + sun8i_csc_setup(mixer->engine.regs, base, + fmt_type, encoding, range); } diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.h b/drivers/gpu/drm/sun4i/sun8i_csc.h index 7322770f39f03..b7546e06e315c 100644 --- a/drivers/gpu/drm/sun4i/sun8i_csc.h +++ b/drivers/gpu/drm/sun4i/sun8i_csc.h @@ -28,10 +28,9 @@ enum format_type { FORMAT_TYPE_YVU, }; -void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer, - enum format_type fmt_type, - enum drm_color_encoding encoding, - enum drm_color_range range); -void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable); +void sun8i_csc_set_ccsc(struct sun8i_mixer *mixer, int layer, + enum format_type fmt_type, + enum drm_color_encoding encoding, + enum drm_color_range range); #endif diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c index 8a80934e928fe..f3a5329351caa 100644 --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c @@ -232,14 +232,9 @@ static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel, SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val); fmt_type = sun8i_vi_layer_get_format_type(fmt); - if (fmt_type != FORMAT_TYPE_RGB) { - sun8i_csc_set_ccsc_coefficients(mixer, channel, fmt_type, - state->color_encoding, - state->color_range); - sun8i_csc_enable_ccsc(mixer, channel, true); - } else { - sun8i_csc_enable_ccsc(mixer, channel, false); - } + sun8i_csc_set_ccsc(mixer, channel, fmt_type, + state->color_encoding, + state->color_range); if (!fmt->is_yuv) val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE;