From: "james qian wang (Arm Technology China)" <james.qian.wang@arm.com> To: Liviu Dudau <Liviu.Dudau@arm.com>, "airlied@linux.ie" <airlied@linux.ie>, Brian Starkey <Brian.Starkey@arm.com>, "maarten.lankhorst@linux.intel.com" <maarten.lankhorst@linux.intel.com>, "sean@poorly.run" <sean@poorly.run>, "imirkin@alum.mit.edu" <imirkin@alum.mit.edu> Cc: "Jonathan Chai (Arm Technology China)" <Jonathan.Chai@arm.com>, "Julien Yin (Arm Technology China)" <Julien.Yin@arm.com>, "Thomas Sun (Arm Technology China)" <thomas.Sun@arm.com>, "Lowry Li (Arm Technology China)" <Lowry.Li@arm.com>, Ayan Halder <Ayan.Halder@arm.com>, "Tiannan Zhu (Arm Technology China)" <Tiannan.Zhu@arm.com>, "Yiqi Kang (Arm Technology China)" <Yiqi.Kang@arm.com>, nd <nd@arm.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>, Ben Davis <Ben.Davis@arm.com>, "Oscar Zhang (Arm Technology China)" <Oscar.Zhang@arm.com>, "Channing Chen (Arm Technology China)" <Channing.Chen@arm.com>, Mihail Atanassov <Mihail.Atanassov@arm.com>, "james qian wang (Arm Technology China)" <james.qian.wang@arm.com> Subject: [PATCH v2 3/4] drm/komeda: Add drm_ctm_to_coeffs() Date: Fri, 11 Oct 2019 05:43:23 +0000 [thread overview] Message-ID: <20191011054240.17782-4-james.qian.wang@arm.com> (raw) In-Reply-To: <20191011054240.17782-1-james.qian.wang@arm.com> This function is for converting drm_color_ctm matrix to komeda hardware required required Q2.12 2's complement CSC matrix. v2: Move the fixpoint conversion function s31_32_to_q2_12() to drm core as a shared helper. Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com> --- .../gpu/drm/arm/display/komeda/komeda_color_mgmt.c | 14 ++++++++++++++ .../gpu/drm/arm/display/komeda/komeda_color_mgmt.h | 1 + 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c index c180ce70c26c..ad668accbdf4 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c @@ -117,3 +117,17 @@ void drm_lut_to_fgamma_coeffs(struct drm_property_blob *lut_blob, u32 *coeffs) { drm_lut_to_coeffs(lut_blob, coeffs, sector_tbl, ARRAY_SIZE(sector_tbl)); } + +void drm_ctm_to_coeffs(struct drm_property_blob *ctm_blob, u32 *coeffs) +{ + struct drm_color_ctm *ctm; + u32 i; + + if (!ctm_blob) + return; + + ctm = ctm_blob->data; + + for (i = 0; i < KOMEDA_N_CTM_COEFFS; i++) + coeffs[i] = drm_color_ctm_s31_32_to_qm_n(ctm->matrix[i], 2, 12); +} diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h index 08ab69281648..2f4668466112 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h @@ -18,6 +18,7 @@ #define KOMEDA_N_CTM_COEFFS 9 void drm_lut_to_fgamma_coeffs(struct drm_property_blob *lut_blob, u32 *coeffs); +void drm_ctm_to_coeffs(struct drm_property_blob *ctm_blob, u32 *coeffs); const s32 *komeda_select_yuv2rgb_coeffs(u32 color_encoding, u32 color_range); -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: "james qian wang (Arm Technology China)" <james.qian.wang@arm.com> To: Liviu Dudau <Liviu.Dudau@arm.com>, "airlied@linux.ie" <airlied@linux.ie>, Brian Starkey <Brian.Starkey@arm.com>, "maarten.lankhorst@linux.intel.com" <maarten.lankhorst@linux.intel.com>, "sean@poorly.run" <sean@poorly.run>, "imirkin@alum.mit.edu" <imirkin@alum.mit.edu> Cc: "Jonathan Chai (Arm Technology China)" <Jonathan.Chai@arm.com>, "Julien Yin (Arm Technology China)" <Julien.Yin@arm.com>, "Thomas Sun (Arm Technology China)" <thomas.Sun@arm.com>, "Lowry Li (Arm Technology China)" <Lowry.Li@arm.com>, Ayan Halder <Ayan.Halder@arm.com>, "Tiannan Zhu (Arm Technology China)" <Tiannan.Zhu@arm.com>, "Yiqi Kang (Arm Technology China)" <Yiqi.Kang@arm.com>, nd <nd@arm.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>, Ben Davis <Ben.Davis@arm.com>, "Oscar Zhang (Arm Technology China)" <Oscar.Zhang@arm.com>, "Channing Chen (Arm Technology China)" <Channing.Chen@arm.com>, Mihail Atanassov <Mihail.Atanassov@arm.com>, "james qian wang (Arm Technology China)" <james.qi> Subject: [PATCH v2 3/4] drm/komeda: Add drm_ctm_to_coeffs() Date: Fri, 11 Oct 2019 05:43:23 +0000 [thread overview] Message-ID: <20191011054240.17782-4-james.qian.wang@arm.com> (raw) In-Reply-To: <20191011054240.17782-1-james.qian.wang@arm.com> This function is for converting drm_color_ctm matrix to komeda hardware required required Q2.12 2's complement CSC matrix. v2: Move the fixpoint conversion function s31_32_to_q2_12() to drm core as a shared helper. Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com> --- .../gpu/drm/arm/display/komeda/komeda_color_mgmt.c | 14 ++++++++++++++ .../gpu/drm/arm/display/komeda/komeda_color_mgmt.h | 1 + 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c index c180ce70c26c..ad668accbdf4 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c @@ -117,3 +117,17 @@ void drm_lut_to_fgamma_coeffs(struct drm_property_blob *lut_blob, u32 *coeffs) { drm_lut_to_coeffs(lut_blob, coeffs, sector_tbl, ARRAY_SIZE(sector_tbl)); } + +void drm_ctm_to_coeffs(struct drm_property_blob *ctm_blob, u32 *coeffs) +{ + struct drm_color_ctm *ctm; + u32 i; + + if (!ctm_blob) + return; + + ctm = ctm_blob->data; + + for (i = 0; i < KOMEDA_N_CTM_COEFFS; i++) + coeffs[i] = drm_color_ctm_s31_32_to_qm_n(ctm->matrix[i], 2, 12); +} diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h index 08ab69281648..2f4668466112 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h @@ -18,6 +18,7 @@ #define KOMEDA_N_CTM_COEFFS 9 void drm_lut_to_fgamma_coeffs(struct drm_property_blob *lut_blob, u32 *coeffs); +void drm_ctm_to_coeffs(struct drm_property_blob *ctm_blob, u32 *coeffs); const s32 *komeda_select_yuv2rgb_coeffs(u32 color_encoding, u32 color_range); -- 2.20.1
next prev parent reply other threads:[~2019-10-11 5:43 UTC|newest] Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-11 5:43 [PATCH v2 0/4] drm/komeda: Enable CRTC color-mgmt james qian wang (Arm Technology China) 2019-10-11 5:43 ` james qian wang (Arm Technology China) 2019-10-11 5:43 ` [PATCH v2 1/4] drm/komeda: Add a new helper drm_color_ctm_s31_32_to_qm_n() james qian wang (Arm Technology China) 2019-10-11 5:43 ` james qian wang (Arm Technology China) 2019-10-14 8:56 ` Daniel Vetter 2019-10-14 8:56 ` Daniel Vetter 2019-10-14 9:58 ` james qian wang (Arm Technology China) 2019-10-14 9:58 ` james qian wang (Arm Technology China) 2019-10-14 15:33 ` Daniel Vetter 2019-10-14 15:33 ` Daniel Vetter 2019-10-14 15:58 ` Ilia Mirkin 2019-10-14 15:58 ` Ilia Mirkin 2019-10-15 1:16 ` james qian wang (Arm Technology China) 2019-10-15 1:16 ` james qian wang (Arm Technology China) 2019-10-15 3:48 ` Ilia Mirkin 2019-10-15 3:48 ` Ilia Mirkin 2019-10-15 8:04 ` james qian wang (Arm Technology China) 2019-10-15 8:04 ` james qian wang (Arm Technology China) 2019-10-15 8:21 ` Mihail Atanassov 2019-10-15 8:21 ` Mihail Atanassov 2019-10-15 8:59 ` james qian wang (Arm Technology China) 2019-10-15 8:59 ` james qian wang (Arm Technology China) 2019-10-11 5:43 ` [PATCH v2 2/4] drm/komeda: Add drm_lut_to_fgamma_coeffs() james qian wang (Arm Technology China) 2019-10-11 5:43 ` james qian wang (Arm Technology China) 2019-10-11 5:43 ` james qian wang (Arm Technology China) [this message] 2019-10-11 5:43 ` [PATCH v2 3/4] drm/komeda: Add drm_ctm_to_coeffs() james qian wang (Arm Technology China) 2019-10-11 5:43 ` [PATCH v2 4/4] drm/komeda: Adds gamma and color-transform support for DOU-IPS james qian wang (Arm Technology China) 2019-10-11 5:43 ` james qian wang (Arm Technology China) 2019-10-11 6:21 ` sandy.huang 2019-10-11 6:21 ` sandy.huang 2019-10-11 7:12 ` james qian wang (Arm Technology China) 2019-10-11 5:45 [PATCH v2 0/4] drm/komeda: Enable CRTC color-mgmt james qian wang (Arm Technology China) 2019-10-11 5:45 ` [PATCH v2 3/4] drm/komeda: Add drm_ctm_to_coeffs() james qian wang (Arm Technology China) 2019-10-11 5:45 ` james qian wang (Arm Technology China) 2019-10-11 8:37 ` Mihail Atanassov 2019-10-11 8:37 ` Mihail Atanassov
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