From patchwork Wed Mar 13 17:45:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Louis Chauvet X-Patchwork-Id: 13591677 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0ACF9C54E67 for ; Wed, 13 Mar 2024 17:46:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DD92E10F814; Wed, 13 Mar 2024 17:46:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.b="mBg24YhG"; dkim-atps=neutral Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by gabe.freedesktop.org (Postfix) with ESMTPS id 322CA10F6C1 for ; Wed, 13 Mar 2024 17:45:44 +0000 (UTC) Received: by mail.gandi.net (Postfix) with ESMTPSA id 125AC40005; Wed, 13 Mar 2024 17:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1710351942; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jXogfLj07V/5NU7N2k8u25LuCo1tbpPLvfUwLakxFt8=; b=mBg24YhGBR7be0MtBRaL+gbZvRu8G2jc/m6rx8XACcY4qIPL61153Jvi2GVpxAURWIG/eH qhouCXV56ohvAUu0vKgenodoVtQ8S6e7XsbxXRhAEx4g014UVvpa2mSEqVoBRPe4mtxE6/ lAz+zJiYagtudyMYNBPirj65O2YXe3BWwJ82dqt9TuPtXlOpdAcUjSAKYO6LkbkT7SGTQ6 17cg+wCFHRddC77Gq8CVOjWYbg9UIOdPVdl1mFuGqA6zhHMIFWMJanswzHKOimsxL87CHG H1/0H5OKAlbWLxmMGjcJniPGqyKNZ2bkyD9vijxa83KRIdMDqTibdYRhUe4T7g== From: Louis Chauvet Date: Wed, 13 Mar 2024 18:45:10 +0100 Subject: [PATCH v5 16/16] drm/vkms: Add support for DRM_FORMAT_R* MIME-Version: 1.0 Message-Id: <20240313-yuv-v5-16-e610cbd03f52@bootlin.com> References: <20240313-yuv-v5-0-e610cbd03f52@bootlin.com> In-Reply-To: <20240313-yuv-v5-0-e610cbd03f52@bootlin.com> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , arthurgrillo@riseup.net, Jonathan Corbet , pekka.paalanen@haloniitty.fi Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, seanpaul@google.com, marcheu@google.com, nicolejadeyee@google.com, Louis Chauvet X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=5760; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=9rA67U9H0cUfYO3fgMPTyUG7C69zMCKQfaLOUG8oJ+A=; b=owEBbQKS/ZANAwAIASCtLsZbECziAcsmYgBl8eY1Q7D2/rrZJHb7RkqnZoULnQUuc8BbwKC3nJG4 UflwfJqJAjMEAAEIAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCZfHmNQAKCRAgrS7GWxAs4pLaEA C3FRWES+R2Y2GR1j8ZLeP/Ccwoq2SgYrj8b9O6eq/tWPy+6QhRXTg01U+5wcCjRFfZIeZUnLtu/XOQ 2fUHPXOy4wEwIqKW3jtYsihl/9vBnCPKBfQ2vXFQYflzEI0iV6Tx8X1SjRgG9oIiF2KyqlO9n4cVBR rhpCFNnlos8ubrVQaG/xDvdrMVMjHn5rvwYSTW3ct6xbxue7Otzb7NLVdE2b/Awq22upazC7UPfHYr mvKopiLDw/hDJN8FCmOPqyCMyJ08IkKQk5CVt3qbo09I9e8Ns1cpLFnXdFPIkzK5EAdlM0NzQ/H0dB j31pBCx103LClrItIaHL9PK06ZRrIKgsso97Gym3FVyeQDmYNpQH1oIQDqTk45VlNvY4hshRP89wTQ sa3pl5c46krOY5VdiAKXwCDDik4oKAP1H6Dcgoq6+ZGmkMtQlcxioPKGms9N9/+/AhL7SujLVrbeOW eYYxglRYGtjmr0G2BtSrWIc6Efhqf/QTnvFpM1R1TfRAUrVnnnQkIlwg5G/LU0IRYbbLuhMoV1IaNG wMP10VNhe2FAZdzNPQCEcl5E6ET5uDj0BuqetAdWoOChHbkx/15KWUmP5pEuVVSDXvV9w3mRTYVHql Koc9fm2n0XA8GwAJbvvA3+ZM6+QYfXHQWKnFenwBXXrbtXxqbPgECVdUu68A== X-Developer-Key: i=louis.chauvet@bootlin.com; a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-GND-Sasl: louis.chauvet@bootlin.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This add the support for: - R1/R2/R4/R8 R1 format was tested with [1] and [2]. [1]: https://lore.kernel.org/r/20240313-new_rotation-v2-0-6230fd5cae59@bootlin.com [2]: https://lore.kernel.org/igt-dev/20240306-b4-kms_tests-v1-0-8fe451efd2ac@bootlin.com/ Signed-off-by: Louis Chauvet --- drivers/gpu/drm/vkms/vkms_formats.c | 100 ++++++++++++++++++++++++++++++++++++ drivers/gpu/drm/vkms/vkms_plane.c | 6 ++- 2 files changed, 105 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c index 863fc91d6d48..cbb2ec09564a 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -201,6 +201,11 @@ static struct pixel_argb_u16 argb_u16_from_RGB565(const u16 *pixel) return out_pixel; } +static struct pixel_argb_u16 argb_u16_from_gray8(u8 gray) +{ + return argb_u16_from_u8888(255, gray, gray, gray); +} + VISIBLE_IF_KUNIT struct pixel_argb_u16 argb_u16_from_yuv888(u8 y, u8 cb, u8 cr, struct conversion_matrix *matrix) { @@ -269,6 +274,89 @@ static void black_to_argb_u16(const struct vkms_plane_state *plane, int x_start, } } +static void Rx_read_line(const struct vkms_plane_state *plane, int x_start, + int y_start, enum pixel_read_direction direction, int count, + struct pixel_argb_u16 out_pixel[], u8 bit_per_pixel, u8 lum_per_level) +{ + struct pixel_argb_u16 *end = out_pixel + count; + u8 *src_pixels; + int rem_x, rem_y; + + packed_pixels_addr(plane->frame_info, x_start, y_start, 0, &src_pixels, &rem_x, &rem_y); + int bit_offset = (int)rem_x * bit_per_pixel; + int step = get_step_next_block(plane->frame_info->fb, direction, 0); + int mask = (0x1 << bit_per_pixel) - 1; + + if (direction == READ_LEFT_TO_RIGHT || direction == READ_RIGHT_TO_LEFT) { + int restart_bit_offset = 0; + int step_bit_offset = bit_per_pixel; + + if (direction == READ_RIGHT_TO_LEFT) { + restart_bit_offset = 8 - bit_per_pixel; + step_bit_offset = -bit_per_pixel; + } + + while (out_pixel < end) { + u8 val = (*src_pixels & (mask << bit_offset)) >> bit_offset; + + *out_pixel = argb_u16_from_gray8(val * lum_per_level); + + bit_offset += step_bit_offset; + if (bit_offset < 0 || 8 <= bit_offset) { + bit_offset = restart_bit_offset; + src_pixels += step; + } + out_pixel += 1; + } + } else if (direction == READ_TOP_TO_BOTTOM || direction == READ_BOTTOM_TO_TOP) { + while (out_pixel < end) { + u8 val = (*src_pixels & (mask << bit_offset)) >> bit_offset; + *out_pixel = argb_u16_from_gray8(val * lum_per_level); + src_pixels += step; + out_pixel += 1; + } + } +} + +static void R1_read_line(const struct vkms_plane_state *plane, int x_start, + int y_start, enum pixel_read_direction direction, int count, + struct pixel_argb_u16 out_pixel[]) +{ + Rx_read_line(plane, x_start, y_start, direction, count, out_pixel, 1, 0xFF); +} + +static void R2_read_line(const struct vkms_plane_state *plane, int x_start, + int y_start, enum pixel_read_direction direction, int count, + struct pixel_argb_u16 out_pixel[]) +{ + Rx_read_line(plane, x_start, y_start, direction, count, out_pixel, 2, 0x55); +} + +static void R4_read_line(const struct vkms_plane_state *plane, int x_start, + int y_start, enum pixel_read_direction direction, int count, + struct pixel_argb_u16 out_pixel[]) +{ + Rx_read_line(plane, x_start, y_start, direction, count, out_pixel, 4, 0x11); +} + +static void R8_read_line(const struct vkms_plane_state *plane, int x_start, + int y_start, enum pixel_read_direction direction, int count, + struct pixel_argb_u16 out_pixel[]) +{ + struct pixel_argb_u16 *end = out_pixel + count; + u8 *src_pixels; + int rem_x, rem_y; + int step = get_step_next_block(plane->frame_info->fb, direction, 0); + + packed_pixels_addr(plane->frame_info, x_start, y_start, 0, &src_pixels, &rem_x, &rem_y); + + while (out_pixel < end) { + *out_pixel = argb_u16_from_gray8(*src_pixels); + src_pixels += step; + out_pixel += 1; + } +} + static void ARGB8888_read_line(const struct vkms_plane_state *plane, int x_start, int y_start, enum pixel_read_direction direction, int count, struct pixel_argb_u16 out_pixel[]) @@ -582,6 +670,14 @@ pixel_read_line_t get_pixel_read_line_function(u32 format) case DRM_FORMAT_YVU422: case DRM_FORMAT_YVU444: return &planar_yuv_read_line; + case DRM_FORMAT_R1: + return &R1_read_line; + case DRM_FORMAT_R2: + return &R2_read_line; + case DRM_FORMAT_R4: + return &R4_read_line; + case DRM_FORMAT_R8: + return &R8_read_line; default: /* * This is a bug in vkms_plane_atomic_check. All the supported @@ -855,6 +951,10 @@ get_conversion_matrix_to_argb_u16(u32 format, enum drm_color_encoding encoding, case DRM_FORMAT_ARGB16161616: case DRM_FORMAT_XRGB16161616: case DRM_FORMAT_RGB565: + case DRM_FORMAT_R1: + case DRM_FORMAT_R2: + case DRM_FORMAT_R4: + case DRM_FORMAT_R8: /* * Those formats are supported, but they don't need a conversion matrix. Return * a valid pointer to avoid kernel panic in case this matrix is used/checked diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index e21cc92cf497..dc9d62acf350 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -29,7 +29,11 @@ static const u32 vkms_formats[] = { DRM_FORMAT_YUV444, DRM_FORMAT_YVU420, DRM_FORMAT_YVU422, - DRM_FORMAT_YVU444 + DRM_FORMAT_YVU444, + DRM_FORMAT_R1, + DRM_FORMAT_R2, + DRM_FORMAT_R4, + DRM_FORMAT_R8 }; static struct drm_plane_state *